Systems Integration/Test Engineer - Level 3 Sr
King of Prussia, PAFull-time$96–178K/yrSeen todaySeen in employer's feed today
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Job overview
The Senior Systems Integration and Test Engineer plans and executes integration and verification activities for hardware and software components, subsystems, and systems. The role translates customer requirements into test solutions, evaluates system performance, and verifies issue resolution. It develops test plans and procedures, coordinates testing, analyzes results, documents discrepancies, and conducts regression testing.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Standard Job Description
As a Senior Systems Integration and Test Engineer, you will plan and execute integration and verification activities for hardware and software components, subsystems, and systems. You will help translate customer requirements into practical test solutions, evaluate system performance, and verify that identified issues are resolved.
Key Duties / Responsibilities
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Develop and maintain test approaches, plans, procedures, and schedules based on customer requirements and technical, cost, and schedule constraints.
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Define test specifications and standards, assess requirements for testability, and address hardware and software interface issues.
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Coordinate subsystem and system testing with program teams and other organizations.
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Prepare for and execute comprehensive integration and verification tests.
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Analyze test results and prepare evaluation reports to verify and validate system performance.
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Document discrepancies and conduct regression testing to confirm that software, component, subsystem, and system fixes are effective.
About Lockheed Martin Space
Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.
At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.
Join us in shaping a new era in space and find a career that's built for you.
Basic Qualifications
To be considered, candidates must meet all requirements listed:
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Experience developing system integration and verification test plans, test cases, procedures, and reports.
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Hands-on experience supporting qualification or verification testing of complex systems.
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Experience developing test strategies that support formal product sell-off and acceptance.
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Familiarity with test instrumentation, including thermocouples, strain gauges, and accelerometers, and with data-acquisition tools such as data and video loggers.
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Experience using configuration GUIs/HMIs, emulators, operating systems, and interface protocols.
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Ability to investigate, document, and report system faults, anomalies, and test results.
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Strong verbal and written communication skills, including the ability to prepare clear reports and present technical findings to technical and non-technical audiences.
Desired Skills
Nice-to-have skills that strengthen candidacy but are not required:
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Experience supporting programs in the space domain.
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Experience writing test plans, procedures, and other technical documentation.
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Experience with automation frameworks.
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Experience in defense-related test environments.
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Active Secret or higher security clearance.
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Ability to adapt to changing requirements and schedules and apply systems thinking to complex technical problems.
Pay Information
Full-Time Salary Range: $95900.00 - $178100.00
At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.
The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.
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Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
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For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
How this job compares
Set against the 557 open Systems Integration Engineer jobs on Olive Jobs, counted November 6, 2026.
- Pay
- This posting$96–178K/yr
- US median$108–178K/yr420 salary ranges
This range's midpoint, $137K, is 8% below the US median midpoint ($148K) — in the middle half of Systems Integration Engineer salary ranges across the US.
- Openings
- Olive Jobs lists 10 open Systems Integration Engineer jobs in Pennsylvania and 557 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most across the US
- Lockheed Martin (this employer)89 open
- Northrop Grumman34 open
- Leidos29 open
- Experience
- Systems Integration Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 7 years (454 postings).
- Education
- 226 of the 557 open Systems Integration Engineer jobs (41%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 6, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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