Senior Digital Design Engineer

Description

Summary: This Senior Digital Design Engineer supports the development of advanced, mission-critical military communications systems focusing on FPGA-based digital design and hardware/firmware integration. Highlights: 1. Develop advanced, mission-critical military communications systems 2. Design and integrate secure, ruggedized electronic hardware 3. Lead FPGA-based digital design within complex embedded systems Apply Now Description The Defense Systems Group Leidos has an immedie opening for a Senior Digital Design Engineer our St. Petersburg, FL facility. This position supports the development of advanced, mission-critical military communicions systems and involves the design, integrion, testing, and optimizion of secure, ruggedized electronic hardware for defense applicions. The ideal candide will possess deep expertise in FPGA-based digital design and hands-on experience integring hardware and firmware within complex embedded systems. This individual will have a demonstred track record supporting defense programs across the full product lifecycle—from requirements development and architectural design through integrion, qualificion testing, and transition to production. The Leidos St. Petersburg facility specializes in the design, development, modeling and simulion, analysis, prototyping, and testing of advanced electronic systems. Our primary focus areas include embedded communicions systems, Software Defined Radios (SDR), and Phased Array Antenna Systems supporting Department of Defense and commercial customers. Primary Responsibilities: Participe in a multi-disciplinary engineering team developing secure, high-performance military communicions hardware. Analyze and decompose system-level requirements into detailed hardware design specificions with full traceability. Architect and implement FPGA-based digital designs for signal processing, control logic, and high-speed interfaces. Develop and valide detailed electrical designs including schemic capture and hardware integrion. Perform board bring-up, functional testing, and hardware/software integrion in laborory environments. Support design reviews (SRR, PDR, CDR), technical documention, and configurion management processes. Troubleshoot and resolve complex hardware and integrion issues across prototype and production phases. Support environmental qualificion, EMI/EMC testing, and ruggedizion efforts for field deployment. Provide technical input for cost estimes, schedules, and risk assessments. Collabore closely with RF, firmware, systems, and test engineering teams throughout the development lifecycle. Clearance Requirements: U.S. Citizen required. Ability to obtain and maintain a Secret Security Clearance. Active Secret clearance preferred. Ability to obtain Top Secret clearance preferred. Required Qualificions: BS or MS in Electrical Engineering, Computer Engineering, or reled field. 6+ years of experience in embedded hardware and digital design (8+ preferred for Senior level). Experience supporting full product development lifecycle including: Requirements analysis System design and hardware implemention Integrion and test Technical documention and formal design reviews Strong VHDL design and FPGA implemention experience. Experience integring and troubleshooting digital, analog, and RF subsystems within embedded systems. Experience with high-speed digital interfaces (e.g., I2C, SPI, RS-232/422, USB, Ethernet). Experience with high-speed protocols such as JESD204B, LVDS, PCIe, and SERDES. Experience working with ADC/DAC devices and understanding performance characteristics. Experience with schemic capture and PCB design tools (Altium, Cadence Allegro/OrCAD, or equivalent). Hands-on lab experience debugging hardware using oscilloscopes, logic analyzers, and reled tools. Preferred Qualificions: Active Secret or Top Secret clearance. Experience with high-speed PCB design techniques (>1 GHz). Experience with RF subsystem integrion. Experience with simulion and modeling tools (MATLAB, Python, LabVIEW). Familiarity with sellite communicion systems and services (Iridium, Inmars, etc.). Experience developing ruggedized or military communicion systems. Experience with EMI/EMC considerions and environmental qualificion testing. Experience transitioning prototypes into production hardware. Experience mentoring junior engineers or leading technical efforts. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the stus quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already step 30 — and moving faster than anyone else dares. Original Posting: May 4, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipes th this job requisition will remain open for least 3 days with an anticiped close de of no earlier than 3 days after the original posting de as listed above. Pay Range: Pay Range $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compension or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, educion, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market da, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovions. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximely $16.7 billion for the fiscal year ended January 3, 2025. For more informion, visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. Th's why we craft compension packages th reflect the importance of the work we do for our customers. Employment benefits include competitive compension, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available www.leidos.com/careers/pay-benefits. Securing Your Da Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-reled informion during any part of the employment applicion process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communice with you through emails th are genered by the Leidos.com automed system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhsApp, Telegram, etc. If you received an email purporting to be from Leidos th asks for payment-reled informion or any other personal informion (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediely by emailing us LeidosCareersFraud@leidos.com. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission. Commitment to Non-Discriminion All qualified applicants will receive considerion for employment without regard to sex, race, ethnicity, age, nional origin, citizenship, religion, physical or mental disability, medical condition, genetic informion, pregnancy, family structure, marital stus, ancestry, domestic partner stus, sexual oriention, gender identity or expression, veteran or military stus, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. Apply Now