Senior Systems Engineer

Job#: 3022947

Job Description:
Systems Integration & Test Engineer

Clearance Required: Secret (Interim acceptable)

Location: Onsite - Tewksbury, MA

Work Schedule: 9/80

Level: Senior (Level 4)

Duration: 1 year (expected 3/16/2026 - 3/15/2027)
Overview

We are seeking a Systems Integration & Test Engineer to support the planning, execution, and analysis of integration, verification, and validation activities for complex systems. This role requires strong analytical abilities, hands-on integration experience, and the ability to collaborate across multidisciplinary engineering groups. The position includes both local and occasional non-local travel in support of integration and test events.
Key Responsibilities

• Participate in integration and test planning, execution, and verification/validation events
• Perform system performance assessments and validation testing to confirm compliance with system requirements
• Execute integration and testing activities aligned to defined milestones and schedules
• Integrate and test system software builds to support ongoing verification and test cycles
• Collaborate with cross-program leads and stakeholders to:
  • Develop test approaches
  • Confirm test setup readiness
  • Support reviews (peer, gate, test readiness)
• Ensure test activities comply with established engineering processes and relevant technical release/export policies
• Conduct troubleshooting and resolution of technical observations during integration
• Support activities related to hardware- and software-based testing, including hands-on diagnostic work
• Travel up to 10%, supporting domestic test events and foreign military sales activities

Required Qualifications

• Bachelor's degree in Science, Technology, Engineering, or Mathematics (STEM)
• Minimum 6+ years of relevant experience
• Experience with one or more programming environments, such as:
  • MATLAB
  • Python
  • Perl
  • C/C++
  • Linux / Unix scripting
• Experience in systems engineering, integration, networking, verification, validation, or testing
• Experience troubleshooting and debugging software-based systems
• Experience with Linux (e.g., Red Hat) or Unix-based systems

Desired Qualifications

• Experience with:
  • Test equipment and installations
  • Integration/regression testing
  • Test plan, test script, and test procedure development
  • Configuration control documentation
  • Reading/interpreting test setup schematics
• Networking or cybersecurity certifications such as CompTIA Network+ or Security+
• Hands-on experience integrating and configuring electronics, network routers, or software installations
• Experience working with:
  • MATLAB
  • Linux (Red Hat)
  • Unix
  • Python/Perl/Shell scripting
• Familiarity with Agile and DevSecOps methodologies, including:
  • Sprint reviews
  • Daily standups
  • PI planning
  • Retrospectives
  • Use of JIRA / Confluence
• Strong integration skills and understanding of:
  • System algorithms
  • Signal processing concepts
  • System performance analysis
• Demonstrated ability to work effectively in collaborative team environments

Work Environment

• Onsite role with daily collaboration across Systems, Software, Hardware, and Test Engineering
• Fast-paced integration lab and test environment
• Team-oriented culture with strong cross-functional communication

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 .

Apex 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.