Specialist, Systems Engineer

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Full Time Simi Valley, CA, US

4 days ago Requisition

Salary Range: $90,500.00 To $ Annually

Job Title: Specialist, Systems Engineering

Job Type: Exempt

Job Location: Simi Valley, CA

(This position is 100% onsite)

Business Unit: Datron

Schedule:9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off.

Fisica, Inc. is a premier manufacturer of advanced defense products, specializing in the design and production of airborne and ground-based antennas, as well as cutting-edge electromagnetic systems and simulators. Headquartered in San Leandro, California, with additional operations in Simi Valley, Fisica plays a vital role as a trusted partner to leading defense primes and the U.S. Department of Defense.

Our company operates as
- ATI, Randtron, Datron and Space Vector
—each bringing deep expertise and innovation to the defense sector. Led by a seasoned management team, Fisica is committed to excellence in engineering, manufacturing, and mission-critical solutions that enhance national security.

At Fisica, we foster a strong, collaborative work culture that values individual contributions and empowers our employees. Our commitment to innovation, integrity, and teamwork makes us a leader in the defense industry and an exceptional place to build a career.

We are seeking a highly motivated Systems Engineer to lead and support the development, integration, and sustainment of ground-based systems for satellite and space communications. You will play a critical role in the architecture, design, implementation, and operations of ground station infrastructure supporting mission-critical applications.

• Define and manage system requirements and interfaces for ground station infrastructure, including antennas, RF systems, modems, and network elements.
• Support the full systems engineering lifecycle, including CONOPS development, design trade studies, integration, verification, and validation.
• Develop interface control documents (ICDs), systems specifications, and test plans.
• Coordinate with hardware and software engineers, program management, customers, and subcontractors.
• Troubleshoot system-level issues and support root cause analysis during integration and operations.
• Assist in performing link budget analysis, RF chain evaluations, and data flow assessments.
• Contribute to mission planning and ground system automation improvements.
• Ensure ground systems meet operational, performance, reliability, and cybersecurity requirements.
• Support program milestones, design reviews (SRR, PDR, CDR), and delivery schedules.

• Bachelor’s degree in Systems Engineering, Electrical Engineering, Aerospace Engineering, or a related field.
• Experience in systems engineering.
• Understanding of RF systems, SATCOM architecture, TT&C, and/or signal processing.
• Experience with ground station components (e.g., antennas, modems, RF converters, tracking systems).
• Proficiency with system modeling tools (e.g., SysML, MATLAB, STK).
• Strong knowledge of systems engineering processes
• Excellent written and verbal communication skills.
• Due to specific US Government contract requirements, dual citizenship may not be accepted. This position requires eligibility to obtain and maintain US Government security clearance. Eligibility requires U.S. citizenship.
• Must be able to travel up to 10%.

• Master’s degree in a technical field.
• Experience with DoD or NASA ground systems and standards (e.g., CCSDS, MIL-STD).
• Experience in systems engineering for ground-based communication or space systems.
• Familiarity with cloud-based ground systems (e.g., AWS Ground Station).
• Active security clearance or ability to obtain one.

• Competitive salary and benefits package!
• Generous paid time off.
• 401k with 6% match and vesting is immediate.
• Strong work-life balance.
• Tuition Reimbursement.
• Paid paternal leave.

In compliance with pay transparency requirements, the salary range for this role is…