Full-Time

Scientist – Integration & Test Engineering

L3Harris Technologies

L3Harris Technologies

10,001+ employees

Defense technology solutions for national security

Compensation Overview

$146k - $271k/yr

+ Sign-On Bonus

No H1B Sponsorship

Burlington, MA, USA

In Person

On-site in Wilmington, MA; 9/80 schedule.

US Top Secret Clearance Required

Category
Aerospace Engineering (1)
Required Skills
Assembly
Risk Management
Requirements
  • Bachelor’s Degree and a minimum of 12 years of prior relevant experience.
  • Graduate Degree and a minimum of 10 years of prior related experience.
  • In lieu of a degree, minimum of 16 years of prior related experience.
  • Security Clearance: Candidate must be eligible to obtain a DoD security clearance.
Responsibilities
  • Define and maintain the overall test architecture, verification and validation strategy, and integration approach for advanced EO/IR space systems across development, qualification, acceptance, and delivery support phases.
  • Serve as the senior technical authority for test strategy, test methodology, and system verification across multiple programs, pursuits, and technology developments.
  • Establish and drive innovative test concepts, architectures, and methodologies for complex or first-of-kind systems, ensuring alignment to mission requirements, technical performance, affordability, producibility, and mission assurance objectives.
  • Lead development of end-to-end Assembly, Integration and Test strategies for mission payloads and related subsystems, including integration flow, test readiness, risk-reduction planning, and performance validation.
  • Guide multidisciplinary engineering teams in the decomposition of system requirements into verification approaches, test methods, success criteria, and compliance evidence.
  • Define and govern test philosophies, readiness criteria, documentation standards, anomaly response frameworks, and technical review expectations across programs.
  • Lead the resolution of the most complex technical test and integration issues, anomalies, and nonconformances, including assessment of root cause, corrective actions, and near- and long-term mission impacts.
  • Direct complex trade studies to evaluate technical, operational, schedule, cost, reliability, producibility, and risk impacts of alternative test and integration solutions.
  • Influence system architecture, requirements allocation, and design decisions to improve testability, integration efficiency, verification completeness, and mission confidence.
  • Provide strategic oversight and technical direction for subcontractor and supplier test planning, execution, risk posture, and performance as applicable to system integration and mission success.
  • Partner with program leadership to develop executable technical plans, test roadmaps, staffing approaches, infrastructure strategies, and risk management plans that support program and business objectives.
  • Communicate complex technical issues, recommendations, and strategic options to executive leadership, customers, subcontractors, and U.S. Government stakeholders.
  • Establish and implement new processes, standards, tools, and best practices that improve integration and test performance, consistency, scalability, and organizational capability.
  • Support business development, capture, and proposal activities by defining technical discriminators, basis of estimate inputs, test concepts, risk-reduction strategies, and execution approaches.
  • Mentor engineers and technical leaders across the organization, strengthening test engineering capability, succession depth, and technical excellence.
  • Contribute to long-range technical strategy, capability investment planning, and roadmap development for integration and test engineering within the business area.
Desired Qualifications
  • Security Clearance: Holds an active Secret or Top Secret/SCI clearance.
  • Space Systems Knowledge: Demonstrated experience with space systems engineering, including knowledge of space environments, satellite systems, and space mission design. Familiarity with NASA-STD-1540 and/or NASA-STD-7002.
  • Project Management: Experience in leading technical teams, managing projects and competing priorities, and coordinating cross-functional engineering activities.
  • Software Proficiency: Proficient in Model-Based Systems Engineering (MBSE) and traditional systems engineering tools such as DOORs, CAMEO, CREO, JIRA, and SysML.
  • Technical Expertise: Recognized as an internal expert and thought leader in area of expertise with broad experience across multiple job areas. Proficiency in optical and electro-optical testing techniques and equipment including experience with optical design, sensors, detectors, and imaging systems. Strong understanding of system integration processes and best practices. Familiarity with space environment considerations and testing protocols.
  • Software Proficiency: Working knowledge of Microsoft Word, Excel, Visio, PowerPoint, and other relevant engineering and simulation software tools, such as MATLAB. Experience with optical design, modeling, or analysis tools such as Zemax, Code V, or similar tools.
  • Communication Skills: Excellent verbal and written communication skills, with the ability to clearly convey complex technical information to diverse audiences. Experience supporting proposals, captures, and customer technical engagements.
  • Problem-Solving Skills: Strong analytical and problem-solving abilities, with a proven track record of tackling complex engineering challenges.
  • Collaboration: Ability to work effectively in a team environment and collaborate with multidisciplinary teams to achieve project goals.
L3Harris Technologies

L3Harris Technologies

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L3Harris Technologies provides defense and national-security technology solutions across space, air, land, sea, and cyber domains. It develops integrated systems with advanced communications, surveillance, and reconnaissance to support government agencies and defense contractors under long-term contracts. The product combines hardware, software, and services to deliver secure, interoperable, mission-critical capabilities. Its goal is to help clients strengthen operational readiness and national security through reliable, multi-domain technologies and sustained partnerships.

Company Size

10,001+

Company Stage

IPO

Headquarters

Melbourne, Florida

Founded

1895

Simplify Jobs

Simplify's Take

What believers are saying

  • Q1 2026 revenue hit $5.74 billion, beating estimates, with 15% organic growth and $40 billion backlog.
  • Secured $600 million classified space contract and $2.2 billion NATO special mission aircraft deal.
  • Missile solutions revenue surged 18% on Pentagon demand, backed by $1 billion DoD investment.

What critics are saying

  • Bernstein cuts price target to $405 on May 4, 2026, due to 2027 US defense budget uncertainty.
  • RTX and Northrop Grumman win mid-2026 Hypersonic Tracking Sensor program, costing $2 billion revenue.
  • Fixed-price NASA Artemis II contracts trigger cost overruns, eroding 16% operating margins in 2026.

What makes L3Harris Technologies unique

  • L3Harris integrates space, air, land, sea, and cyber domains for mission-critical defense solutions.
  • Company supplies over 1600 components per F-35 aircraft, including weapon release systems.
  • Co-developed AI-optimized satellite constellation with Xoople for precision Earth observation.

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Benefits

Health Insurance

Disability Insurance

401(k) Retirement Plan

401(k) Company Match

Paid Vacation

Paid Holidays

Mental Health Support

Relocation Assistance

Company News

Yahoo Finance
Apr 13th, 2026
L3Harris Technologies grows EPS 16% annually with $220M insider stake

L3Harris Technologies has demonstrated solid financial performance with earnings per share growing 16% annually over the past three years. The US$66 billion defence contractor reported revenue of US$22 billion, up 2.5%, whilst maintaining stable EBIT margins. Company insiders hold US$220 million worth of shares, representing 0.3% of the company. Whilst modest in percentage terms due to L3Harris's size, this stake provides alignment between management and shareholders. The company's combination of revenue growth, profit expansion and insider ownership distinguishes it from speculative, loss-making ventures. Its established track record of profitability offers investors lower risk compared to companies relying solely on growth narratives without financial substance. The article suggests L3Harris warrants consideration for investors seeking profitable, growing companies over high-risk ventures.

Yahoo Finance
Apr 9th, 2026
L3Harris up 71.8% in one year but trades at premium 42.1x P/E multiple above industry average

L3Harris Technologies has raised investor attention following recent share price movements, with the stock up 2.3% over the past week. The company has delivered strong longer-term returns, including a 71.8% one-year total shareholder return and 92.9% over three years. With revenue of $21.9 billion and net income of $1.6 billion, L3Harris is trading at $361.97. One valuation narrative suggests the stock is modestly undervalued at a fair value of $392.16, supported by expected US defence budget growth and the company's positioning in areas like missile warning and tracking. However, L3Harris' current price-to-earnings ratio of 42.1x sits above the US aerospace and defence industry average of 38.8x, suggesting potential valuation risk if market sentiment shifts.

The Associated Press
Apr 8th, 2026
Xoople and L3Harris unveil AI-optimised satellite constellation after seven years of development

Xoople, an AI data infrastructure company, and L3Harris Technologies have announced the co-development of a satellite constellation optimised for AI applications. The system, resulting from seven years of design and research, aims to deliver unprecedented precision in Earth observation data. The constellation features advanced optical and sensor design to maximise data quality, providing what Xoople calls "Earth's System of Record". The platform is designed to support AI systems shifting towards autonomous action, offering real-time monitoring with precision levels where even 1% error is unacceptable. Applications include supply chain optimisation, infrastructure management, risk underwriting, disaster response and security monitoring. CEO Fabrizio Pirondini said the system delivers the scale and precision required for AI-era decision-making across enterprises and governments.

Yahoo Finance
Apr 2nd, 2026
L3Harris powers NASA's Artemis II with over 100 mission elements, but fixed-price contracts may pressure margins

L3Harris Technologies supplied propulsion, avionics, thrusters and communications systems for NASA's Artemis II mission, the first crewed lunar journey in over 50 years. The company's involvement spans more than 100 mission elements, highlighting its capabilities in space hardware and systems integration for government programmes. Whilst the Artemis II role demonstrates L3Harris's technical breadth, analysts note it does not materially alter the near-term investment case. The company faces ongoing risks from fixed-price development contracts and potential US space budget constraints that could pressure margins. L3Harris's investment narrative projects $27 billion in revenue and $2.9 billion in earnings by 2029, requiring 7.3% annual revenue growth. Community analysts estimate fair value between $388 and $452 per share.

Yahoo Finance
Mar 23rd, 2026
Hegseth pushes $200B defence spending boost — Axon and L3Harris named top buys

US Defense Secretary Pete Hegseth plans to request $200 billion from Congress to fund operations against Iran, adding to the Pentagon's roughly $1 trillion budget for the current fiscal year. Two defence stocks well-positioned to benefit from this spending increase are Axon and L3Harris, according to Barchart. Axon, which provides law enforcement equipment including Tasers and AI-driven systems, reported 39% revenue growth to $797 million in Q4. The company's AI-powered tools are particularly relevant given recent suspected terrorist attacks in the US. L3Harris, a defence contractor selling missiles, satellites and communications products, saw 6% revenue growth to $5.6 billion last quarter, whilst cash from operations jumped 74% year-over-year. Analysts predict Axon's earnings per share will rise 13% this year and 115% in 2027.