F

Fluence

Turnkey energy storage solutions and software

Product Security Architect - Operational Technology

Full-TimeUpdated on 10/23/2026
No salary listed
Senior, Expert
Bachelor's, Master's
Bengaluru, Karnataka, India
In PersonIn-office 4 days per week.
CybersecuritySecurity Engineering & Architecture

About the job

Requirements
  • A bachelor's degree in Computer Science, or equivalent practical experience.
  • At least 8 years of experience in cybersecurity, security architecture, or critical infrastructure security.
  • At least 5 years of experience supporting utility-scale energy systems, industrial environments, or comparable critical infrastructure.
  • Experience applying IEC 62443 secure-by-design principles to product or solution architectures.
  • Experience supporting compliance and assurance activities involving NERC CIP, NIS2, EU CRA, SOCI/CIRMP, or similar frameworks.
  • Experience applying Zero Trust principles across converged IT/OT environments.
  • Expertise in cyber-physical systems security, utility-scale energy environments, grid-connected architectures, and regulatory compliance frameworks relevant to critical infrastructure operators.
  • Knowledge of threat modeling (STRIDE/DREAD) and OWASP-based security architecture reviews.
  • Knowledge of consequence planning for cyber safety in OT environments.
  • Working knowledge of Software Assurance Maturity Models.
  • Technical knowledge of OT environments, including SCADA and edge devices.
Responsibilities
  • Execute and influence OT security architecture strategy within established Product Security and BESS technology direction.
  • Lead complex OT-specific threat modeling, design reviews, and security architecture assessments for products, projects, and customer deployments.
  • Apply and improve security-by-design practices throughout the product lifecycle.
  • Develop, apply, and improve security reference architectures and standards for OT, ICS, SCADA, Energy Management Systems, cloud-connected systems, and remote access platforms.
  • Collaborate with cross-functional teams to define and implement security architecture requirements for BESS OT systems.
  • Serve as a senior subject matter expert and primary security consultant for complex critical infrastructure and utility deployment matters.
  • Mentor engineers and security practitioners and contribute reusable architecture guidance, patterns, and lessons learned.
  • Guide the implementation of secure remote access, Zero Trust, identity architecture, PAM, SBOM, vulnerability disclosure, and resilience capabilities for BESS solutions.
  • Provide expert technical support to customers, auditors, and regulators on BESS cybersecurity architecture, controls, and assurance activities.
  • Make security architecture decisions and recommendations that materially affect assigned products, projects, and customer deployments.
  • Assess cyber-physical, supply chain, and advanced threat risks and translate them into practical architecture requirements.
  • Apply advanced capabilities in power systems, SCADA security, industrial networking, and grid modernization.
  • Prioritize security features for upcoming hardware and software product releases and support patent development.
Desired Qualifications
  • Preferred certifications include ISA/IEC 62443, GIAC GRID, GIAC GICSP, CISSP, or a recognized security architecture certification.
  • A master's degree in Computer Science.

About the company

Fluence Energy provides energy storage technology and digital applications for renewable energy, offering turnkey energy storage solutions for utilities, developers, and commercial/industrial customers. Its products combine energy storage hardware with software tools to optimize the performance and efficiency of renewable assets, and its services cover the full package from equipment to installation and ongoing support. Owned by a Siemens-AES partnership, Fluence differentiates itself through scale, integration, and customization for demanding industrial applications, delivering end-to-end systems and software globally. The company’s goal is to help customers deploy reliable, efficient energy storage to accelerate the adoption of renewable energy and maximize asset performance.

Company Size

1,001-5,000

Company Stage

IPO

Headquarters

Arlington, Virginia

Founded

2018

Get referred to Fluence

See people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • EVE Energy's 206 GWh framework supports Fluence's 2027-2031 backlog visibility.
  • Bernerd Da Santos became COO on September 15, 2026, tightening execution oversight.
  • Demand stayed strong in September 2026 across domestic and international markets, management said.

What critics are saying

  • September 16, 2026 guidance cut to $2.4 billion exposed Houston ramp failures.
  • September 18, 2026 filings disclosed SEC scrutiny over revenue recognition and internal controls.
  • The September 28, 2026 class action alleges false manufacturing disclosures and executive liability.

What makes Fluence unique

  • Siemens and AES founded Fluence, giving utility-grade storage credibility and distribution.
  • EVE deal on September 18, 2026 secures 206 GWh battery supply through 2031.
  • Fluence pairs hardware with software and services across utilities, developers, and C&I customers.

Help us improve and share your feedback! Did you find this helpful?

Benefits

  • Unlimited Paid Time Off
  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Life Insurance
  • Pet Insurance
  • 401(k) Company Match
  • Performance Bonus

Growth & Insights and Company News

6 month growth

4%

1 year growth

5%

2 year growth

5%
FinancialContent
Oct 14th, 2026
Vattenfall awards 1 GWh Brunsbüttel battery storage project to Fluence.

Vattenfall awards 1 GWh Brunsbüttel battery storage project to Fluence. October 14, 2026 at 03:00 AM EDT i This article is third-party content and does not represent the views of this site. Tamar Securities, LLC make no guarantees regarding its accuracy or completeness. BERLIN, Oct. 14, 2026 (GLOBE NEWSWIRE) - Vattenfall and Fluence Energy, Inc. ("Fluence") (NASDAQ: FLNC), a global market leader delivering intelligent energy storage systems, services, and asset optimization software, have signed an agreement for the delivery of the planned battery storage facility in Brunsbüttel, as well as long-term service support. With an output of 254 MW and a storage capacity of over 1,000 MWh, the Brunsbüttel project, which is planned to be built at the site of the nuclear power plant that is currently being decommissioned, is expected to be among the largest battery energy storage projects in Germany and represents Vattenfall's largest battery project to date. The project is scheduled to become operational by the end of 2028. The 4-hour storage facility will utilize Fluence's Gridstack(TM) Pro 5000 platform, a large-scale battery storage solution including battery systems, power conversion equipment, and an energy management system designed to support grid resilience, renewable energy integration, and reliable system performance. Fluence will deliver the project on a turnkey basis, including engineering, procurement, construction, commissioning, and long-term service support, helping ensure the facility operates at high performance throughout its entire lifetime. Germany is currently the leading battery energy storage market in Europe, adding 6.6 GWh in 2025, according to SolarPower Europe. Growth in Germany's battery storage market is being driven by the rapid expansion of wind and solar power, increasing electricity-price volatility, declining technology costs, and the ability of storage assets to combine revenues from energy trading and grid services. "Projects like this battery storage facility play an important role in strengthening the resilience of the energy system and enabling the continued integration of renewable power generation. Together with Fluence as our long-term partner, we are creating a flexible asset that can respond to changing electricity market needs for many years to come. The project will further strengthen our portfolio of flexibility solutions and support the transition away from fossil fuels," said Claus Wattendrup, Head of Solar & Batteries, Vattenfall. "Our long-standing relationship with Vattenfall now spans eight projects across three European countries, reflecting our shared vision for a more flexible energy system. Having delivered more than 20 battery energy storage projects in Germany, Fluence is proud to be a leader in scaling battery storage as critical energy infrastructure in the country," said Julian Jansen, VP & Managing Director, Fluence Germany. Demand for utility-scale battery storage continues to grow across Germany and Europe. As wind and solar capacity expands, the need for flexible technologies capable of balancing supply and demand in real time is increasing. The Brunsbüttel battery project is a key component of Vattenfall's flexibility strategy and will nearly double the company's existing battery storage capacity. Construction of the project is expected to begin in 2027. Commissioning of the battery storage facility and its grid connection to the 50Hertz 380 kV transmission network is planned for the end of 2028. About Vattenfall Vattenfall is a European energy company with approximately 21,000 employees. For more than 100 years Tamar Securities, LLC has electrified industries, supplied energy to people's homes and modernised its way of living through innovation and cooperation. Tamar Securities, LLC is committed to building a future where everyone can choose fossil-free ways to move, make and live. To succeed Tamar Securities, LLC must become fossil free ourselves. But that's not enough. Tamar Securities, LLC is looking beyond its own industry to see where Tamar Securities, LLC can really make a difference. Together with its partners, Tamar Securities, LLC is taking on the responsibility to find new and sustainable ways to electrify transportation and industries. About Fluence Fluence Energy, Inc. (Nasdaq: FLNC) is a global market leader delivering intelligent energy storage and optimization software for renewables and storage. The Company's solutions and operational services are helping to create a more resilient grid, from powering the next generation of AI-driven data centers to unlocking the full potential of renewable portfolios. With gigawatts of projects successfully contracted, deployed, and under management across nearly 50 markets, the Company is transforming the way Tamar Securities, LLC power its world for a more sustainable future. The forward-looking statements contained in this press release are based on its current expectations and beliefs concerning future developments, as well as a number of assumptions concerning future events, and their potential effects on its business. These forward-looking statements are not guarantees of performance, and there can be no assurance that future developments affecting its business will be those that Tamar Securities, LLC has anticipated. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond its control) or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements, which include, but are not limited to, severe weather events impacting the projects, disruptions in its supply chain impacting project timing, changes to the regulatory environment in Germany and Europe, general economic conditions, the potential for political, social, or economic unrest, terrorism, hostilities or war, unforeseen circumstances outside of Fluence's control which may cause the energy storage systems to not perform as anticipated, and such factors set forth under Item 1A."Risk Factors" in its Annual Report on Form 10-K for the fiscal year ended September 30, 2025, filed with the Securities and Exchange Commission ("SEC") on November 25, 2025, and in other filings Tamar Securities, LLC make with the SEC from time to time. New risks and uncertainties emerge from time to time and it is not possible for Tamar Securities, LLC to predict all such risk factors, nor can Tamar Securities, LLC assess the effect of all such risk factors on its business or the extent to which any factor or combination of factors may cause actual results to differ materially from those contained in any forward-looking statements. Should one or more of these risks or uncertainties materialize, or should any of the assumptions prove incorrect, actual results may vary in material respects from those projected in these forward-looking statements. You are cautioned not to place undue reliance on any forward-looking statements made in this press release. Each forward-looking statement speaks only as of the date of the particular statement, and Tamar Securities, LLC undertake no obligation to publicly update or revise any forward-looking statements to reflect events or circumstances that occur, or which Tamar Securities, LLC become aware of, after the date hereof, except as otherwise may be required by law. Media Contact Quirin Löffelmeier Senior Communications Manager, Fluence Germany Email: [email protected] Analyst Contact Chris Shelton, Vice President, Finance, GID, and IR Email: [email protected] Report this content If you believe this article contains misleading, harmful, or spam content, please let Tamar Securities, LLC know.

PR Newswire
Oct 12th, 2026
Fluence Energy (NASDAQ: FLNC) faces Securities Class Action amid inability to ramp Houston facility - HBSS.

Fluence Energy (NASDAQ: FLNC) faces Securities Class Action amid inability to ramp Houston facility - HBSS. Oct 12, 2026, 12:00 ET SAN FRANCISCO, Oct. 12, 2026 /PRNewswire/ - Fluence Energy (NASDAQ: FLNC) faces a securities class action, which seeks to represent investors who purchased or otherwise acquired Fluence securities between November 24, 2025 and September 16, 2026. The suit follows a stream of unexpected earnings announcements that were apparently at odds with Fluence's assurances that it was positioned to capitalize on surging demand for data centers, and which collectively wiped out roughly $3 billion of the company's market capitalization. National shareholders rights firm Hagens Berman continues its investigation into claims that Fluence violated the federal securities laws. The firm urges Fluence investors who suffered substantial losses to submit your losses now. In addition, persons with knowledge who may be able to assist the investigation are invited to contact the firm's attorneys. Class Period: Nov. 24, 2025 - Sept. 16, 2026 Lead Plaintiff Deadline: Nov. 27, 2026 Visit: www.hbsslaw.com/FLNC Direct Contact Email: [email protected] Firm Telephone: 844-916-0895 Fluence Energy, Inc. (FLNC) Securities Class Action: The litigation's focus is on the propriety of Fluence's assurances that it was "well positioned to capitalize on the accelerating demand for energy storage[,]" and its backlog sufficiently covered revenue expectations. The company's plan depended on successfully ramping its "fully automated" Houston manufacturing facility's production of thermal management systems for its Gridstack ProTM battery energy storage solutions. The complaint alleges that Fluence did not disclose important information to investors - its ability to deliver on its backlog and recognize revenue depended on new contract facilities that included incomplete and non-operational facilities. The complaint also alleges the company did not disclose that facility remediation efforts were unsuccessful. Investors began to learn the truth through a series of partial disclosures beginning on February 4, 2026. That day, Fluence reported its Q1 2026 results included a significant year-over-year margin compression due to "additional estimated costs on two projects" and a significant year-over-year increase in net losses. Then, on August 5, 2026 Fluence announced its Q3 2026 results included weaker than expected revenues, a massive year-over-year margin compression, and a net loss of $44.3 million compared to net income of $6.2 million in the same quarter last year. The company said it "now expects that $400 million in project deliveries will be delayed into fiscal 2027 due to production issues at a new international contract facility" and also blamed "construction related delays that affected the completion and start-up of a new U.S. contract manufacturing facility." Finally, on September 16, 2026 Fluence slashed its 2026 revenue guidance again (by 20%). CEO Julian Nebreda Marquez blamed the continuing "delays in the ramp up of our contract manufacturing facility in Houston." He also revealed the ramp delay was caused by having to manually weld rather than employing the automated welding process. Each of these revelations triggered sharp declines in the price of Fluence shares. Between the first partial disclosure on February 4 and September 17, 2026 shares have fallen $21.33 (-73%). "We're focused on when the Houston welding issue was first known to Fluence management given the facility's crucial role in onshoring," said Reed Kathrein, the Hagens Berman partner leading the firm's investigation. If you invested in Fluence and have substantial losses, or have knowledge that will assist the firm's investigation, submit your losses now" Whistleblowers: Persons with non-public information regarding Fluence should consider their options to help in the investigation or take advantage of the SEC Whistleblower program. Under the new program, whistleblowers who provide original information may receive rewards totaling up to 30 percent of any successful recovery made by the SEC. For more information, call Reed Kathrein at 844-916-0895 or email [email protected]. About Hagens Berman Hagens Berman is a global plaintiffs' rights complex litigation firm focusing on corporate accountability. The firm is home to a robust practice and represents investors as well as whistleblowers, workers, consumers and others in cases achieving real results for those harmed by corporate negligence and other wrongdoings. Hagens Berman's team has secured more than $2.9 billion in this area of law. More about the firm and its successes can be found at hbsslaw.com. Follow the firm for updates and news at @ClassActionLaw. Attorney Advertising. Prior results do not guarantee a similar outcome in any future case. SOURCE Hagens Berman Sobol Shapiro LLP

Yahoo Finance
Oct 12th, 2026
Wall Street backs Tutor Perini (39.5% upside) but may be too bullish on Caleres and Fluence

StockStory, an independent research service, picked one stock where Wall Street's optimism looks justified and two where it may be excessive. It recommends buying Tutor Perini (NYSE:TPC), a construction company. Annual revenue grew 18.2% over the past two years, and its free cash flow margin rose 7.6 percentage points over five years. At $83.32 per share, it trades at 16x forward earnings. The consensus price target is $116.25, a 39.5% implied return. StockStory advises selling Caleres (NYSE:CAL), owner of Dr. Scholl's. Revenue grew 2.4% a year over five years, and its net-debt-to-EBITDA ratio is 6x. The shares trade at $12.08 against a $17 target. It also warns against Fluence Energy (NASDAQ:FLNC), a battery storage company with a history of negative earnings and cash burn. The stock trades at $7.39 against a $10 target.

GlobeNewswire
Oct 12th, 2026
FLNC Deadline news: the Fluence securities Class Action Deadline is approaching on November 27 - investors notified to Contact BFA Law.

FLNC Deadline news: the Fluence securities Class Action Deadline is approaching on November 27 - investors notified to Contact BFA Law. Fluence has been sued for securities fraud after its stock plummeted 35% because Fluence allegedly misrepresented the status of its manufacturing operations and ability to achieve its revenue and EBITDA guidance. NEW YORK, Oct. 12, 2026 (GLOBE NEWSWIRE) - Leading securities law firm Bleichmar Fonti & Auld LLP announces that a class action lawsuit has been filed against Fluence Energy, Inc. (NASDAQ:FLNC) and certain of the company's senior executives for securities fraud after significant stock drops resulting from potential violations of the federal securities laws. If you invested in Fluence, you are encouraged to obtain additional information by visiting: https://www.bfalaw.com/cases/fluence-class-action-lawsuit. Key Details of the Fluence ($FLNC) Class Action: * Lead Plaintiff Deadline: November 27, 2026 * Alleged Misconduct: Securities fraud alleging Fluence misrepresented the status of its manufacturing operations and ability to achieve its revenue and EBITDA guidance * Largest Alleged Stock Drop: February 5, 2026 - 34.6% Stock Drop * Court: U.S. District Court for the Southern District of New York * Action: Contact BFA Law to discuss your rights Investors have until November 27, 2026 to ask the Court to be appointed to lead the case. The complaint asserts securities fraud claims under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 on behalf of investors in Fluence securities. The class action is pending in the U.S. District Court for the Southern District of New York. It is captioned Hatweek v. Fluence Energy, Inc. et al., No. 26-cv-8475. Why is Fluence Being Sued for Securities Fraud? Fluence is a provider of energy storage systems and optimization software for the renewable energy and energy storage industries. According to the complaint, Fluence provided record breaking fiscal year 2026 revenue guidance and significantly increased adjusted EBITA guidance based on its purported ability to capitalize on surging demand for data centers. Fluence assured investors that it had contracted with multiple key production facilities to fulfill demand. As alleged, Defendants failed to disclose that several new contract manufacturing facilities were not completed, not operational, and/or not capable of producing at the volumes Fluence's guidance provided. Why did Fluence's Stock Drop? On February 4, 2026, Fluence reported a net loss of $62.6 million and a GAAP gross profit margin of 4.9%, a 6.5% decline year over year, due to "additional estimated costs on two projects" located outside the U.S. On this news, Fluence's stock dropped $10.04 per share, or 34.6%, from a closing price of $28.99 per share on February 4, 2026, to $18.95 per share on February 5, 2026. On August 5, 2026, Fluence reported "weaker than expected revenue" and slashed revenue and adjusted EBITDA guidance because of "production delays at new contract manufacturing facilities." On this news, Fluence's stock dropped $1.02 per share, or 7.2%, from a closing price of $14.23 per share on August 5, 2026, to $13.21 per share on August 6, 2026. On September 16, 2026, Fluence issued a mid-quarter guidance update and further slashed revenue and adjusted EBITDA guidance because of "delays in the ramp-up of our contract manufacturing facility." On this news, Fluence's stock dropped $1.39 per share, or 15.4%, from a closing price of $9.05 per share on September 16, 2026, to $7.66 per share on September 17, 2026. What Can You Do? If you invested in Fluence, you may have legal options and are encouraged to submit your information to the firm. All representation is on a contingency fee basis; there is no cost to you. Shareholders are not responsible for any court costs or expenses of litigation. The firm will seek court approval for any potential fees and expenses. Submit your information by visiting: Why Bleichmar Fonti & Auld LLP? BFA is a leading international law firm representing plaintiffs in securities class actions and shareholder litigation. It has been named a top plaintiff law firm by Chambers USA, The Legal 500, and ISS SCAS, and its attorneys have been named "Elite Trial Lawyers" by the National Law Journal, "Litigation Stars" by Benchmark Litigation, among the top "500 Leading Plaintiff Financial Lawyers" by Lawdragon, "Titans of the Plaintiffs' Bar" by Law360, and "SuperLawyers" by Thomson Reuters. Most recently, The Legal 500 awarded BFA the most client satisfaction accolades of any plaintiff's securities litigation law firm, with clients noting: "[t]here is no better service provider in the practice area," "[t]he interest of the client is always front and center," and "[t]here isn't a better firm in this space." One testimonial described the firm as "nimble and entrepreneurial," with a "relentless focus on adding value for clients." BFA's notable successes include a recovery of over $900 million in value from Tesla, Inc.'s Board of Directors, as well as $420 million from Teva Pharmaceutical Ind. Ltd. Attorney advertising. Past results do not guarantee future outcomes.

Associated Press
Oct 11th, 2026
Fluence Energy faces class action over $600M guidance cut; lead plaintiff deadline November 27

A securities fraud class action has been filed against Fluence Energy (NASDAQ: FLNC) on behalf of investors who bought its securities between November 24, 2025 and September 16, 2026. Investors have until November 27, 2026, to seek lead plaintiff status in the case, filed in the US District Court for the Southern District of New York. The complaint alleges the company misled investors about its ability to meet financial guidance. It says delivery of its backlog depended on new contract manufacturing facilities that were incomplete, not operating, or unable to produce at the expected volumes. On September 16, 2026, Fluence cut its full-year revenue guidance by about $600 million to $2.4 billion. Its shares fell 15.36% to $7.66 the next day.