Systems Integration/Test Engineer Sr - E3

Posted 3 Days Ago
Be an Early Applicant
Littleton, CO, USA
In-Office
96K-178K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Plans, develops, coordinates, and executes system and subsystem integration and testing for hardware, software, COTS, and GOTS components. Derives testable requirements, creates test plans and procedures, resolves hardware/software interface issues, analyzes test results, documents system performance, and performs regression testing. The role coordinates testing across organizations and verifies fixes, system requirements, and mission performance within technical, schedule, and cost constraints.
Summary Generated by Built In
Standard Job Description

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!


Plans, implements, tests, documents, and maintains solutions for the integration and testing of in-house developed and COTS/GOTS components, elements, subsystems and/or systems. Synthesizes customer contractual needs and requirements into system test solutions that acknowledge technical, schedule and cost constraints. Establishes functional and technical specifications and standards, solves hardware/software interface problems, defines input/output parameters, and ensures integration of the entire system or subsystem. Reviews, evaluates and derives requirements for testability, develops and directs preparation and execution of comprehensive test plans, procedures and schedules for complete systems and/or subsystems. Coordinates subsystem and/or system testing activities with programs and other organizations. Performs analysis of test results and prepares comprehensive subsystem and/or system level evaluation reports which verify and validate system performance. Writes discrepancy reports and performs integration regression testing to verify/validate incorporated fixes to software, components, subsystems and systems.

Basic Qualifications
  • Bachelor of Science or higher from an accredited college in Software or Systems Engineering or related discipline, or equivalent experience/combined education.
  • Knowledge and application of Systems Engineering processes and one or more Systems Integration functions including:
    • System trade studies and/or System modeling
    • Requirements and Interface Control Document (ICD) development
    • System Integration, Test and/or Verification
    • Test planning and execution with an understanding of all the interdependencies
    • Design reviews
  • System design and test experience with one or more subsystems or fields outside of Systems Engineering (e.g., Electrical Mechanical, Propulsion, RF, Software, etc.)
  • Active Interim secret security clearance with the ability to obtain top secret security clearance, US Citizenship required

Desired Skills
  • Working knowledge of the Trident II D5LE Missile
  • Experience with software systems design, development, integration, test, with knowledge of space, missile and launch systems at the component through system level
  • Experience with test planning and execution, including development of test cases, test procedures, and test reports
  • Ability to absorb extensive technical detail and logically formulate solutions for execution on an inflexible schedule, often requiring integration of conflicting and, at times, incomplete data
  • Ability to interact with hardware and software developers to ensure mission requirements are satisfied
  • Ability to operate in a dynamic environment and tackle numerous roles as part of the daily program operations
  • Demonstrated behaviors of a systems thinker; selects and applies appropriate systems thinking skills to solve very complex problems and implement constructive change
Interview Questions
Acclimation to new team: Describe the last time you joined a new organization. How did you get acclimated? What were the most valuable pieces of information you learned or activities you undertook?
Accuracy and Attention to Detail: What process do you use to make sure you don't miss any details before a project is completed?
Active Learning: When you needed specialized help on a topic, how did you know who to approach?
Customer Orientation: Can you tell me about a time when you did something outside of the routine activities assigned to you for the benefit of the customer? What was their reaction?

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.

  • 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.
  • 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.

Skills Required

  • Bachelor of Science or higher in Software Engineering, Systems Engineering, a related discipline, or equivalent experience and combined education
  • Knowledge and application of Systems Engineering processes
  • Experience with at least one Systems Integration function, such as system trade studies, system modeling, requirements and Interface Control Document development, system integration, test or verification, test planning and execution, or design reviews
  • System design and test experience with a subsystem or field outside Systems Engineering, such as electrical, mechanical, propulsion, RF, or software
  • Active interim Secret security clearance and ability to obtain Top Secret clearance
  • U.S. citizenship
  • Working knowledge of the Trident II D5LE Missile
  • Experience with software systems design, development, integration, and testing involving space, missile, or launch systems
  • Experience developing test cases, test procedures, and test reports
  • Ability to formulate solutions from extensive, conflicting, or incomplete technical information under inflexible schedules
  • Ability to collaborate with hardware and software developers to satisfy mission requirements
  • Ability to work in a dynamic environment and perform multiple program operations roles
  • Demonstrated systems-thinking behaviors and ability to solve complex problems

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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