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SIGINT Payload System Engineer

Jobs via Dice
El Segundo, CA Contractor
POSTED ON 4/14/2026
AVAILABLE BEFORE 5/11/2026
Dice is the leading career destination for tech experts at every stage of their careers. Our client, Apex Systems, is seeking the following. Apply via Dice today!

Job#: 3027410

Job Description:

SIGINT Payload System Engineer

Location: El Segundo, California (On-site)

Employment Type: Contract

Role Overview

We are seeking a System Architect with demonstrated expertise in Signals Intelligence (SIGINT). This role is centered on creating and describing viable system architectures. The position requires a deep understanding of SIGINT sensor technologies, data processing, system operation, and mission requirements. The selected candidate will be responsible for the design, development, and integration of advanced systems for various missions and will be expected to take on a key leadership role in the successful execution of the program upon award.

Key Responsibilities

  • Create and describe viable system architectures functionally with block diagrams, analytical models, and mathematical equations.
  • Lead the design and development of SIGINT systems, ensuring compliance with mission requirements.
  • Collaborate with cross-functional teams to integrate sensor and data processing systems.
  • Cast designs into potential implementations for the development of cost and schedule estimates.
  • Conduct performance analysis and testing of systems, including environmental testing and data validation.
  • Develop documentation related to design, testing, and operational procedures.
  • Represent the technical solution to peers, program management, and customers.
  • Provide technical guidance and mentorship to other engineers and team members.

Required Qualifications

Education: A Bachelor of Science degree from an accredited course of study in engineering, engineering technology, chemistry, physics, mathematics, data science, or computer science is required.

Experience: Proven experience in the design, integration, and testing of SIGINT systems is required. Candidates should be able to clearly describe recent SIGINT architecture work and demonstrate knowledge of associated key technical challenges.

Technical Skills: A strong understanding of sensor technologies, data acquisition, and data processing techniques is necessary. Knowledge of communication systems and data transmission protocols is also required. Experience with software tools for simulation and modeling of sensor systems is needed.

Clearance: This position requires a current Tier 5 (T5) investigation, formerly known as a Single Scope Background Investigation (SSBI). U.S. Citizenship is required.

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.

Hourly Wage Estimation for SIGINT Payload System Engineer in El Segundo, CA
$46.00 to $54.00
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