Job#: 3023276 Job Description:Clearance Required: Active Secret (required at start)
Work Schedule: 9/80
Location: Onsite - Tewksbury, MA
Education: Bachelor's degree in STEM
Experience Level: Senior (8+ years)
OverviewWe are seeking a Senior Systems Integration & Requirements Engineer with strong experience across systems software, systems hardware, system requirements, and hands-on integration and test. This position supports engineering efforts within lab, field, and simulated-environment settings, working closely with multidisciplinary teams to develop requirements, automate analysis, and perform verification and integration activities.
This role involves both technical leadership and customer interaction, requiring excellent communication, problem-solving ability, and the initiative to own complex engineering tasks through completion.
Key Responsibilities- Support systems integration, system test, and requirements engineering activities
- Develop and maintain system requirements and ensure proper traceability
- Write and execute MATLAB scripts and functions to support analysis, modeling, evaluation, and test workflows
- Develop utilities, scripts, and automation tools using C++, Python, or similar languages
- Produce technical documentation including:
- Test plans
- Test procedures
- Technical reports
- Conduct hands-on integration and verification in:
- Engineering labs
- Test facilities
- Field environments (as required)
- Evaluate system performance using simulated environments and relevant platforms
- Interface with internal and external customers, supporting reviews, discussions, and technical exchanges
- Support troubleshooting, investigation, and issue resolution across multi-disciplinary teams
- Contribute to system-level analysis and integration planning
- Support technical presentation preparation and engineering reviews
Required Qualifications- 8+ years of prior engineering experience
- Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM)
- Experience in one or more of the following:
- Systems software
- Systems hardware
- Systems requirements
- Systems integration
- Systems test
- Proficiency with at least one of:
- MATLAB
- Python
- C++
- Other scripting or programming languages
- Experience developing technical documentation (test plans, procedures, etc.)
- Experience working in an integration lab, test facility, or field test environment
- Ability to evaluate systems within simulated environments
- Strong communication and customer-interaction skills
- Active Secret clearance required at start
Desired Qualifications- Experience with system-level integration and verification strategies
- Hands-on experience working with hardware and software in integrated environments
- Experience analyzing or troubleshooting system-level performance
- Familiarity with engineering configuration control and test documentation
- Ability to support requirements decomposition, traceability, and validation
- Demonstrated effectiveness collaborating with cross-functional engineering teams
Work Environment- Onsite, collaborative team setting
- Frequent coordination with engineering, test, and technical leadership teams
- Hands-on lab integration and system-evaluation activities
- Occasional support for field or facility-based test events
EEO Employer
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .
Senior Systems Integration & Requirements EngineerApex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.
Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.