Radar System Engineer - P3 Cleared On-Site

Job Description

Systems Integration & Requirements Engineer

Job#: 3023195

Clearance Required: Active Secret (required to start)

Work Schedule: 9/80

Location: Onsite – Tewksbury, MA

Education: Bachelor’s degree in STEM

Experience Level: Mid-level (5+ years)

We are seeking a Systems Integration & Requirements Engineer to support system‑level requirements development, integration, verification, and test activities. This role is hands‑on in an engineering lab environment and involves scripting, analysis, documentation, and coordination with cross‑functional technical teams. The position requires the ability to work effectively with both internal and external customers while performing system evaluation and verification tasks.

• Support systems software, systems hardware, and systems test/integration activities
• Develop and manage system requirements and maintain traceability
• Create MATLAB scripts and functions to support analysis, evaluation, and test automation
• Develop tools, utilities, or scripts using C++, Python, or comparable languages
• Generate technical documentation including:
  • Test plans
  • Test procedures
  • Technical reports
• Perform integration and verification tasks in:
  • Engineering labs
  • Test facilities
  • Field environments (as needed)
• Evaluate systems using simulated environments and analyze performance metrics
• Collaborate with internal engineering groups and interface with external customers
• Support troubleshooting and investigation of system‑level issues
• Participate in cross‑functional reviews and technical discussions to ensure system compliance and readiness

• Minimum 5+ years of engineering experience
• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM)
• Experience in at least one of the following areas:
  • Systems software
  • Systems hardware
  • Systems integration
  • Systems test
  • Requirements development
• Experience using languages/tools such as:
  • MATLAB
  • Python, C++, or similar
• Experience working hands‑on in integration labs or test environments
• Strong analytical, communication, and documentation skills
• Ability to start with an active Secret clearance

• Experience developing MATLAB scripts and functions for analysis
• Experience evaluating or validating systems in simulated environments
• Familiarity with engineering processes such as:
  • Requirements decomposition
  • Systems verification/validation
  • Test‑procedure development
• Experience with technical customer interaction
• Demonstrated ability to generate high‑quality technical documentation
• Experience in field test or hardware‑in‑the‑loop (HWIL) integration
• Strong organizational skills and the ability to work in collaborative environments

• Onsite, highly collaborative engineering setting
• Frequent interaction with systems, software, hardware, and test engineering teams
• Hands‑on lab integration and evaluation work

Apex Systems is an equal‑opportunity employer and does not discriminate 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 applicable law.

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 provide an ESPP (employee stock purchase program) and a 401(k) program, an HSA (Health Savings Account on the HDHP plan), a Support Linc Employee Assistance Program (EAP) with up to eight free counseling sessions, and a corporate discount savings program.

Professional development includes on‑demand training, access to certification prep, and a library of technical and leadership courses. All these programs are available to qualifying employees.