M

Mission Critical Group

Designs, manufactures, and services power infrastructure

Senior Field Assembly & Installation

Full-TimeUpdated on 10/23/2026
No salary listed
Senior
Lancaster, PA, USA
In PersonOnsite in Lancaster, PA; travel 90% of the time, including out-of-state job sites.
Field ServiceEquipment Field Service

About the job

Requirements
  • Demonstrated hands-on proficiency in welding, pipe fitting, mechanical assembly, fabrication, equipment operation, and field troubleshooting.
  • Ability to function as a field subject matter expert and independently troubleshoot complex electrical, mechanical, piping, welding, and equipment issues.
  • High school diploma or equivalent, or a combination of education and experience that demonstrates the ability to perform the job duties.
  • Proficiency with computers, including Microsoft Office Suite and ERP systems.
  • Ability to work independently or in a small team environment.
  • Ability to understand electrical schematics, technical manuals, detailed blueprints, and engineering drawings.
  • Ability to communicate clearly and effectively verbally and in writing, over the phone and in person.
  • Accuracy and attention to detail.
  • Ability to safely operate a company vehicle to out-of-state job sites, maintain a clear driving record, and qualify for the commercial insurance policy.
  • Reliable attendance and ability to work autonomously.
  • Ability to adhere to safety protocols and regulations, including wearing personal protective equipment, and maintain a clean and organized work environment.
  • Ability to travel 90% of the time, with little to no prior notice.
  • Ability to stand, stoop, kneel, or crouch throughout an 8-to-10-hour day.
  • Ability to carry product, equipment, and tools weighing up to 50 pounds.
  • Ability to work indoors and outdoors in all weather conditions.
  • Ability to arrange and coordinate cost-effective travel, including hotels, flights, and rental cars.
  • Ability to pass a background check and drug screening.
Responsibilities
  • Install, maintain, assemble, and repair industrial power systems, enclosures, and components in manufacturing plants, power stations, construction sites, and other settings.
  • Perform skilled welding, pipe fitting, fabrication, mechanical assembly, and related field work to complete installations and resolve field issues.
  • Operate and test industrial equipment and systems to support installation, commissioning, troubleshooting, and customer acceptance.
  • Audit field installations for quality, workmanship, compliance with drawings and specifications, and adherence to safety and company requirements; identify and drive corrective actions.
  • Train customers and site personnel on equipment operation, maintenance, troubleshooting, and safe work practices.
  • Provide technical direction to site subcontractors and support customers, engineers, electricians, and project teams to ensure work is completed correctly and safely.
  • Independently diagnose field problems, determine root causes, and implement effective solutions using sound technical judgment.
  • Serve as a subject matter expert in field assembly, installation, commissioning, troubleshooting, and repair of industrial power systems and related equipment.
  • Perform onsite assembly, installation, diagnostics, testing, troubleshooting, fitting, repair, maintenance, and installation of parts, fuel systems, and exhaust systems; use intermediate knowledge of electrical schematics and wiring practices.
  • Perform preventative maintenance and identify manufacturing imperfections, taking corrective action as needed.
  • Fabricate and install custom parts or components.
  • Use hand and power tools, welding equipment, and precision instruments.
  • Review service orders and schedule and coordinate field service appointments for repair work in a timely manner.
  • Develop and implement troubleshooting plans based on the information provided.
  • Adjust timelines to accommodate changing field and site conditions.
  • Provide customer assistance during site visits, build and maintain client relationships, and resolve difficult customer situations professionally and tactfully.
  • Review service reports with customers to verify that required work is complete and obtain their signatures.
  • Communicate quality control and engineering-related issues to drive product improvements.
  • Collaborate across the company to foster positive working relationships with clients, coworkers, and team leaders.
  • Produce detailed service reports and maintain accurate timekeeping for all field visits.
  • Follow all safety, industry, and company regulations, policies, and procedures.
Desired Qualifications
  • Experience auditing installations and identifying quality, installation, or compliance issues, with the ability to drive corrective action.
  • Experience providing technical direction to subcontractors and training customers or site personnel.
  • Five or more years of progressive field experience in industrial power systems, data centers, power generation, mechanical or electrical construction, or a related mission-critical environment.
  • Two or more years of experience as a millwright or industrial electrician.
  • Two or more years of experience working in adverse conditions, including inclement weather, high-pressure situations, short timelines, and work at heights.
  • Broad mechanical and assembly experience with fuel and exhaust systems and piping.

About the company

M

Mission Critical Group

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MCG designs, builds, and services critical power systems for industries that need reliable electricity. It combines several specialized companies—MCFI (systems integration for power solutions, modular data centers, and microgrids), Johnson Thermal Systems (generator enclosures and modular power), Point Eight Power (switchgear and power control buildings), and DVM Power + Control (low- and medium-voltage equipment)—to offer end-to-end capabilities. Its products include switchgear, switchboards, modular data centers, microgrids, generator enclosures, and turnkey power systems, targeting data centers, healthcare, telecom, manufacturing, and energy sectors. By expanding its manufacturing footprint through acquisitions, MCG aims to provide integrated engineering, manufacturing, installation, and after-market services at scale to meet a strained grid and ensure uninterrupted operations.

Company Size

501-1,000

Company Stage

N/A

Total Funding

N/A

Headquarters

Frisco, Texas

Founded

2023

Get referred to Mission Critical Group

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Simplify Jobs

Simplify's Take

What believers are saying

  • Liberty Mutual led a preferred investment on September 18, 2026, validating demand.
  • Harleysville ramps full production in September 2026, adding 300 jobs and switchgear capacity.
  • Anchor Automation and WattEV deepen connected services and 800 VDC AI-factory exposure.

What critics are saying

  • CORE merger must close while Harleysville ramps; execution slippage hits Q4 2026 deliveries.
  • Reliance on data-center demand ties revenue to hyperscaler capex pauses and project delays.
  • Integration across 18 facilities risks quality misses, warranty claims, and margin compression; failure breaks platform.

What makes Mission Critical Group unique

  • 2026 rebrand unifies MCG's legacy companies under one electrical infrastructure platform.
  • Its U.S. manufacturing footprint spans 18+ facilities and 1 million square feet.
  • CORE Transformers adds engineered-to-order transformers and 16-week custom delivery.

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Benefits

  • Remote Work Options

Growth & Insights and Company News

6 month growth

102%

1 year growth

102%

2 year growth

67%
Benzinga
Sep 18th, 2026
Liberty Mutual leads preferred investment in Mission Critical Group's power infrastructure platform

Mission Critical Group, a provider of electrical infrastructure solutions for data centres and other mission critical facilities, has closed a preferred investment led by Liberty Mutual Investments. Invesco Senior Secured Management, Aventail Capital Group, and Brigade Capital Management also participated in the transaction. Founded in 2023, MCG combines engineering expertise, US manufacturing, and lifecycle support across electrical equipment, modular power solutions, and transformers. The company operates more than 18 manufacturing facilities in the United States. CEO Jeff Drees said the investment endorses MCG's platform and growth opportunities as demand for resilient power infrastructure grows. Liberty Mutual Investments' Charley Poole noted MCG is positioned at the convergence of data centre expansion, accelerating load growth, and labour scarcity. MCG is a portfolio company of Emerald Lake Capital Management.

GlobeNewswire
Sep 18th, 2026
Mission Critical Group announces closing of preferred investment led by Liberty Mutual Investments.

Mission Critical Group announces closing of preferred investment led by Liberty Mutual Investments. FRISCO, Texas, Sept. 18, 2026 (GLOBE NEWSWIRE) - Mission Critical Group ("MCG" or the "Company"), a leading provider of comprehensive electrical infrastructure solutions for mission critical facilities, including data centers, manufacturing plants, and energy infrastructure, and a portfolio company of Emerald Lake Capital Management, today announced the closing of a preferred investment led by Liberty Mutual Investments ("LMI"), the investment firm for Liberty Mutual Group ("Liberty"). Invesco Senior Secured Management, Aventail Capital Group, and Brigade Capital Management also participated in the transaction. "This investment is a strong endorsement of MCG's platform, our team, and the significant growth opportunities ahead," said Jeff Drees, CEO of Mission Critical Group. "As demand for resilient, scalable power infrastructure grows, MCG continues to deliver integrated solutions across the powertrain that accelerate time-to-power for customers. We are pleased to welcome a high-quality group of investors and look forward to continuing to execute on our growth strategy." Founded in 2023, MCG combines engineering expertise, scaled U.S. manufacturing, and lifecycle support across electrical equipment, modular power solutions, power generation systems, and transformers. This integrated platform enables MCG to deliver customized power architectures for grid-connected and on-site power applications, tailored to each customer's site, operational, and performance requirements. "We believe MCG is uniquely positioned at the convergence of several powerful megatrends, including the rapid expansion of data center capacity, accelerating load growth, and labor scarcity," said Charley Poole, Head of Energy & Infrastructure at LMI. "We are excited to partner with Jeff and the MCG team, whose track record of execution and customer-focused innovation has established the Company as a leader in mission critical electrical infrastructure." LMI's investment was led by its Energy & Infrastructure team, which invests in opportunities that support secular growth trends across the energy and infrastructure landscapes. LMI invests more than $130 billion of long-term capital globally on behalf of Liberty across its integrated platform and leverages a flexible investment approach to build enduring businesses side-by-side with its partners. Jefferies LLC acted as exclusive placement agent and Kirkland & Ellis LLP acted as legal advisor to MCG in connection with the transaction. Paul Hastings LLP acted as counsel, BDO acted as financial advisor to LMI, and Davis Polk & Wardwell LLP acted as placement agent counsel. About Mission Critical Group Mission Critical Group is a leading provider of comprehensive electrical infrastructure solutions for mission critical facilities, including data centers, manufacturing plants, and energy infrastructure. We design, manufacture, integrate, and service a wide range of electrical equipment, including switchgear, e-Houses, power skids, backup power systems, transformers, and related critical power equipment. Our customers include major technology, manufacturing, healthcare, and energy companies across North America, and we operate more than 18 manufacturing facilities in the United States. For more information, visit missioncriticalgroup.com. About Liberty Mutual Investments Liberty Mutual Investments ("LMI") is the investment firm for Liberty Mutual Group ("Liberty"), a global insurance and capital solutions partner. With deep expertise in liquid, credit, and alternative strategies, LMI invests more than $130B of capital globally, taking a long-term approach across its integrated platform. LMI has a clear purpose: build enduring businesses side-by-side with our partners, drive economic growth, and generate superior risk-adjusted returns that power Liberty's strategy and secure its promises. Liberty Mutual Group Asset Management Inc. does business under the name Liberty Mutual Investments. For more information, visit https://www.libertymutualinvestments.com/. Important Information and Disclosures This press release is provided for informational purposes only and does not constitute investment advice or an offer to sell, or a solicitation of an offer to buy, any securities or interests in any investment fund or vehicle. Liberty Mutual Group Asset Management Inc. (d/b/a Liberty Mutual Investments) provides investment advisory and management services only to insurance companies and wholly owned direct or indirect subsidiaries of Liberty. This press release may contain forward-looking statements that are as of the date of this press release; actual results may differ materially, and Liberty undertakes no obligation to update such statements. Additional information is available at www.libertymutualgroup.com/investors. About Emerald Lake Capital Management Emerald Lake Capital Management is a private equity firm focused on control and shared-control investments in North American industrial and services companies. The firm emphasizes proprietary sourcing, growth orientation, and active partnership with management teams to scale high-quality businesses over the long term. Founded in 2018, Emerald Lake manages more than $2 billion of equity capital. For more information, please visit www.elcm.com. Media Contacts Liberty Mutual Investments [email protected] Mission Critical Group Laura Noland Senior Director, Marketing Communications [email protected] 407-341-2512

WalletInvestor
Sep 16th, 2026
AI power demand and a Brent spike push the energy sector higher.

AI power demand and a Brent spike push the energy sector higher. By Devin Cole The S&P 500 energy sector closed up 2.03% at 992.94, and the reasons are stacked on top of each other right now: a jump in Brent crude past $100 after drone strikes on Saudi infrastructure, and a steady drumbeat of deals tying power generation to the buildout of AI data centers. Two very different forces, both pulling the same index in the same direction. Start with the crude move, because it's the cleanest to explain. Drone attacks on a Saudi pipeline pushed Brent over the $100 mark, a level the benchmark hadn't held in some time. Attacks on Gulf energy infrastructure hit the risk premium first and the physical supply picture second - traders price the threat of disruption immediately, whether or not barrels actually stop flowing. For the integrated majors and the exploration-and-production names that dominate the sector's weighting, a triple-digit Brent print flows almost directly into the earnings math. Nuclear filings and fuel cells chase the AI load. The slower-burning story is electricity, and specifically who is going to generate the enormous amount of it that AI data centers need. Blue Energy filed for a nuclear reactor at a Texas power plant, with the stated purpose of supplying power to a Crusoe AI data center. The filing matters as a marker of where this is heading - a data-center operator lining up dedicated, always-on generation rather than leaning on a strained grid - but it is a filing, not a running reactor. Nuclear projects move through licensing on multi-year timelines, and a submitted application is the very front of that pipeline, not the finish line. The near-term power plays are showing up faster in the tape. Bloom Energy's stock jumped on what was described as a meaningful data-center catalyst for its fuel-cell systems, which can be deployed on-site to feed high-density compute loads without waiting on new transmission. Hitachi and Mission Critical Group announced a partnership to expand data-center power infrastructure, folding Hitachi's technology together with Mission Critical Group's modular power systems under the HMAX portfolio, aimed at handling everything from high-voltage down to the low-voltage distribution inside a facility. That's an announced partnership rather than a shipped, revenue-generating product line, and it's worth keeping the two straight - the deal describes an intent to build out capacity, and the market is pricing the ambition. Constellation and Vistra: two ways to own the same trade. The purest expression of the AI-power thesis in public equities remains the independent power producers. Constellation Energy and Vistra get framed as competing bets on the same boom - one anchored more heavily in nuclear baseload, the other with a different generation mix - and investors are being asked to pick which balance sheet and which fleet they'd rather own as data-center demand grows. The debate is a healthy sign that the trade has matured past "buy anything with a turbine." These are distinct businesses with distinct exposures, and the market is starting to price them on their specifics rather than the theme alone. By WalletInvestor's model, the energy sector index itself carries an A rating, with a one-year projection of roughly +15% from current levels and a three-month read of about +3.59%. The near-term view is close to flat - the seven-day forecast sits at +0.02% and the 14-day at +0.32% - which lines up with an index that has already run hard: up 13.84% over the past 30 days, 29.88% over 90 days, and 55.23% over the trailing year. You can see the full breakdown on its energy sector forecast page. The model's message is that most of the easy move may already be in the price, with the longer curve - a five-year read north of 60% - doing the heavy lifting. Solar takes a step back while policy shifts underneath it. Not everything under the energy banner is climbing. First Solar fell about 5% after dropping an ITC patent case that the company characterized as procedural. Enphase Energy slipped alongside it, while Sunrun held roughly steady. The pullback is a reminder that the solar and residential-clean-energy names trade on their own set of catalysts - litigation, tax-credit policy, interest-rate sensitivity - largely disconnected from the oil-price and data-center dynamics driving the rest of the sector higher on the day. Policy is moving too, on the other side of the Atlantic. A leaked European Commission working document points to a possible rewrite of renewable-fuels rules under the next Renewable Energy Directive, RED IV. The draft's "preferred package" would swap out binding national renewable-hydrogen mandates for an EU-wide target after 2030. If that language survives into a formal proposal - and a leaked impact assessment is a long way from adopted law - it would loosen the requirement that individual member states hit their own hydrogen quotas, softening a piece of demand that green-hydrogen developers had been counting on. For now it's a draft, and the distinction between a working document and a directive matters here as much as the difference between a reactor filing and a reactor. The AI risk bill that may not arrive. In Washington, the chair of the House Energy and Commerce Committee said he doubts an AI risk bill will move this year. That leaves the regulatory picture for AI - including the energy-hungry infrastructure now being built to run it - unsettled at the federal level, and raises the prospect of a patchwork of state rules filling the gap. For the power producers and infrastructure firms racing to serve AI demand, the absence of a federal framework cuts both ways: fewer near-term compliance constraints, but less certainty about the rules that will eventually govern the data centers they're wiring up. The through-line across all of it is demand - for barrels, for megawatts, for the hardware that turns fuel into compute. Brent above $100 rewards the producers today; the reactor filings, fuel-cell orders, and IPP debates are wagers on a power appetite that data centers are only beginning to register. The sector index at 992.94 sits within striking distance of the 1,000 line it has been pressing against, carried there by both stories at once. Devin Cole Contributor, WalletInvestor Devin Cole writes for the WalletInvestor newsroom, covering the markets, companies and data behind the headlines.

Associated Press
Sep 1st, 2026
Mission Critical Group names Akash Raj as CFO with 20 years of finance leadership experience

Mission Critical Group, a provider of integrated electrical infrastructure solutions for mission critical facilities, has appointed Akash Raj as chief financial officer. Raj brings over 20 years of finance and operational leadership experience across high-growth and Fortune 500 companies. Most recently, Raj served as CFO of RealPage, where he led financial strategy and operations. He previously held the CFO position at WellSky and senior leadership roles at Motorola Solutions and General Motors across operational finance, mergers and acquisitions, capital markets, and corporate restructuring. Raj is a CFA charterholder and earned his MBA from the University of Virginia's Darden School of Business. He also holds a bachelor of engineering in electrical and electronics with distinction from Bangalore University.

GlobeNewswire
Sep 1st, 2026
Mission Critical Group appoints Akash Raj as Chief Financial Officer.

Mission Critical Group appoints Akash Raj as Chief Financial Officer. FRISCO, Texas, Sept. 01, 2026 (GLOBE NEWSWIRE) - Mission Critical Group ("MCG"), a leading provider of integrated electrical infrastructure solutions for mission critical facilities, including data centers, manufacturing plants, and energy infrastructure, today announced the appointment of Akash Raj as Chief Financial Officer. Raj brings more than 20 years of finance and operational leadership experience across high-growth and Fortune 500 companies, with a strong track record of creating enterprise value and driving financial transformation. "Akash is an accomplished finance executive who brings an exceptional combination of strategic, operational, and financial leadership to MCG," said Jeff Drees, CEO of Mission Critical Group. "We believe his experience leading complex organizations and driving financial and operational performance will be a tremendous asset to MCG and our leadership team." Raj most recently served as CFO of RealPage, where he led the company's financial strategy and operations, with a focus on scale and efficiency. He previously served as CFO of WellSky and held senior leadership roles at Motorola Solutions and General Motors across operational finance, M&A, capital markets, and corporate restructuring. "I'm excited to join MCG and work alongside a talented leadership team and organization," said Raj. "MCG has built a strong platform with differentiated capabilities across the mission critical power ecosystem. I look forward to bringing my experience to the team and helping strengthen our financial performance and operational infrastructure to support sustainable business growth and long-term value creation." Raj is a CFA charterholder and earned his MBA from the University of Virginia's Darden School of Business. He also holds a Bachelor of Engineering in Electrical and Electronics with Distinction from Bangalore University. About Mission Critical Group Mission Critical Group is a leading provider of integrated electrical infrastructure solutions for mission critical facilities, including data centers, manufacturing plants, and energy infrastructure. We design, manufacture, integrate, and service modular power solutions, including switchgear, e-Houses, power skids, backup power systems, and related critical power equipment. Our customers include major technology, manufacturing, healthcare, and energy companies across North America, and we operate more than 18 manufacturing facilities in the United States. For more information, visit missioncriticalgroup.com. Media Contact: Laura Noland Senior Director, Marketing Communications Mission Critical Group [email protected] 407-341-2512