Systems Engineer III

Job Description:

In this capacity, the successful candidate will be required to:

• Lead the design, development, integration, and deployment of sophisticated hybrid systems that include software, web, and hardware components.

• Oversee the full systems development lifecycle including requirements specification, system design, coding, testing, and long-term maintenance.

• Integrate various technologies such as network operating systems, application software, and hardware devices to create unified and functional systems.

• Ensure that all technical components align with overarching project goals, operational needs, and organizational constraints.

• Evaluate system-level trade-offs involving cost, schedule, and performance while balancing user needs and technical feasibility.

• Collaborate with cross-functional teams including software developers, IT professionals, and network engineers to deliver reliable and scalable system solutions.

• Consider broader factors such as user experience, social impacts, and logistical support when shaping system architecture and deployment strategies.

• Support ongoing improvement efforts by identifying areas of technical risk and implementing best practices in system design and integration.

Basic Qualifications:

• Bachelor’s degree in an Engineering discipline such as Systems, Electrical, or Computer Engineering

• 7 years of professional experience in systems engineering

• Proficient in managing the end-to-end development of complex systems, including hybrid software-hardware-web applications

• Experience in integrating multi-platform technologies and managing interdisciplinary development cycles

• Strong understanding of systems thinking, trade space analysis, and large-scale solution integration

• Effective communication and coordination skills to manage both technical and non-technical aspects of system delivery

• Familiarity with system lifecycle methodologies, documentation standards, and project scheduling tools

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 our High-Deductible Health Plan (HDHP) are eligible for a Health Savings Account (HSA) with monthly 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, including a 10% tuition discount on select online degree programs and a 25% discount on certificate programs.
• Cell phone stipend.
• Hybrid work environment, where contract and mission requirements permit.
• Additional employee benefits offered through ADP.

Stability & Long-Term Growth

• Prime contract holder supporting long-term Department of Defense programs.
• Mentor-Protégé Joint Venture partnership with a major defense company.
• Opportunities to support complex, mission-focused engineering efforts across multiple technical domains.
• Continued organizational growth creating opportunities for employees to expand their responsibilities and technical experience.

Career Advancement

• Work alongside experienced engineers, technical leaders, and program professionals across multiple disciplines.
• Opportunities to broaden technical expertise through hands-on integration, test, modeling, analysis, and systems engineering work.
• Exposure to advanced defense technologies and mission-critical programs.
• Opportunities for increased responsibility as XSITE and its customer programs continue to grow.
• Support for professional development through job-related education, training, and continuing learning opportunities.

About XSITE LLC

XSITE LLC is a Service-Disabled Veteran-Owned Small Business providing systems engineering, integration, modeling and simulation, software development, cybersecurity, and technical services to Department of Defense customers. Our team supports complex mission environments by combining practical engineering experience, technical innovation, and a commitment to delivering solutions that meet real-world operational needs.

XSITE LLC is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, sex, national origin, age, disability, veteran status, or any other characteristic protected by applicable law.