Sr. Digital Communications Engineer

Company: Apex Systems
Location: San Diego
Posted on: May 18, 2025

Job Description:

Overview:In this role, you will design, develop, and optimize mission-critical communications architectures for aerospace and defense applications, ensuring seamless interoperability across ground, air, space, and cyber domains.Responsibilities:

• Architect, design, and implement digital communications systems for mission control applications.
• Develop modulation, signal processing, coding, synchronization, and multi-access communications techniques to enhance system reliability.
• Perform link budget development, modeling, and performance testing for secure and resilient mission control communications.
• Utilize Matlab and Simulink for algorithm development and simulation of digital communications protocols.
• Optimize signal and receiver designs for real-time operational conditions, including noise mitigation and equalization techniques.
• Contribute to open-air and flight testing of advanced mission control communication systems.
• Integrate Matlab-generated HDL for FPGA/ASIC implementations and ensure smooth transition to hardware platforms.
• Collaborate with system engineers, RF engineers, and software teams to drive mission success.Basic Qualifications:
  • Bachelor's degree in Electrical & Computer Engineering or related field.
  • Master's degree in Electrical & Computer Engineering with a specialty in Digital Communications preferred.
  • 10+ years of experience in the design and development of digital communications systems.
  • Strong expertise in modulation, detection, synchronization, coding, and multi-access protocols.
  • Proficiency in Matlab and Simulink for system modeling and testing.
  • Experience in link budget analysis, noise process characterization, and receiver design.Preferred Qualifications:
    • Master's degree in Electrical Engineering & Computer Science with a specialty in Digital Communications.
    • 15+ years of experience in mission-critical communications systems development.
    • Experience in Matlab-to-HDL optimization and deployment to FPGA/ASIC architectures.
    • Background in open-air and flight testing of communications systems in aerospace environments.
    • Knowledge of secure and resilient communication architectures for defense applications.EEO EmployerApex 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 employeeservices@apexsystems.com or 844-463-6178 .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 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.
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Keywords: Apex Systems, Rowland Heights , Sr. Digital Communications Engineer, Engineering , San Diego, California