Systems Engineer III

Systems Engineer III

XSITE LLC is looking for a Systems Engineer III to join our team in San Diego, CA to support the PMW/A 170 office/contract. We are a Service-Disabled Veteran-Owned company headquartered in San Diego. We provide full spectrum systems and systems-of-systems engineering and integration services and solutions for space, C5ISR, cyber and enterprise information systems. Our core capabilities include AI/ML, Software Development & Sustainment, Systems Engineering (including MBSE), and Modeling & Simulation.

Position Overview:

We are seeking a Systems Engineer III to support the development and integration of software, web, and hardware-based systems from initial specifications through final implementation and maintenance. In this role, you will oversee systems engineering activities across the development lifecycle and support the integration of network operating systems, application programs, and hardware devices to ensure reliable and effective system performance. The successful candidate will contribute to specification development, design, coding, testing, and maintenance activities for resilient and sophisticated systems, including systems operating in networked and web-based environments.

Responsibilities of this position include, but are not limited to:

• Support the development and integration of software, web, and hardware products from initial specifications through rollout and maintenance.
• Integrate various network operating systems, application programs, and hardware devices to ensure compatibility, functionality, and resilient system performance.
• Participate in systems engineering activities across the development lifecycle, including specification, design, coding, testing, implementation, and maintenance.
• Analyze system requirements and technical issues to support the development of effective engineering solutions.
• Prepare and maintain technical documentation, reports, and engineering artifacts related to system development and integration efforts.
• Coordinate with cross-functional teams to support system design, interface alignment, technical planning, and problem resolution.
• Contribute to technical reviews, engineering discussions, and other meetings related to system development and integration activities.

Required Qualifications:

• Bachelor's degree in an Engineering discipline.
• Seven (7) years of professional experience integrating various network operating systems, application programs, and hardware devices.

Why XSITE LLC?

Best-in-Class Benefits & Work–Life Balance

• Industry leading PTO package, starting at 15+ days annually.
• Seven (7) paid company holidays annually, including New Year's Day, Memorial Day, Independence Day, Labor Day, Veterans Day, Thanksgiving Day, and Christmas Day.
• 100% employer-paid employee coverage for Medical, Dental, Vision, and Basic Life Insurance. Employees enrolled in XSITE's High Deductible Health Plan (HDHP) are also eligible for a Health Savings Account (HSA) with employer contributions.
• Eligibility to participate in XSITE's 401(k) retirement plan with up to a 6% employer match.
• Eligibility to receive tuition reimbursement of up to $5,250 per year for job-related education.
• University of San Diego Education Benefits of 10% tuition discount on select online degree programs and 25% discount on certificate programs.
• Cell Phone Stipend.
• Hybrid work environment.
• As well as employee add on benefits offered via ADP.

Stability & Long-Term Growth

• Prime contract holder with long-term stability
• Mentor-Protégé JV partnership with a major defense company

Career Advancement

• Rapid growth (300% YoY) with opportunities for leadership and upward mobility.