Senior Fire Control Systems & Signal Processing Engineer

Looking for an opportunity to make an impact?At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.Are you ready for your next career challenge?Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions.Leidos is seeking a Senior Fire Control Systems & Signal Processing Engineer to support the development of next-generation hypersonic interceptors, missile defense systems, and air defense effectors. The selected candidate will contribute to a portfolio of programs spanning low-cost interceptor concepts, hypersonic weapons, and integrated air and missile defense, with near-term focus on effectors designed to integrate with existing and emerging Army fire control architectures.This position sits at the intersection of communications, signal processing, and fire control, enabling resilient connectivity and targeting performance in extreme flight environments. You will support early-phase system design, digital engineering, and mission-level integration for DoD customers including MDA, PEO Missiles and Space, and the Army AMD community, working alongside a multidisciplinary team of aerospace, RF, and systems engineers.If you are up for the challenge of joining this team, then apply today to be considered.Primary ResponsibilitiesDevelop advanced signal processing algorithms (e.g., filtering, tracking, beamforming) for fire control, guidance, and communications in high-noise, contested environmentsDesign and analyze missile command uplink and telemetry downlink subsystems, including interfaces to ground-based fire control radars and engagement control stationsSupport Integrated Fire Control (IFC) system design and interface definition with ground, naval, and joint systems (e.g., IBCS, Aegis, THAAD, IFPC)Integrate end-to-end mission data flows, including mission data loads (MDLs), telemetry, health/status reporting, and command and control (C2) interfacesPerform link budget analyses for dynamic flight conditions, including plasma effects, atmospheric attenuation, and vehicle geometryConduct electromagnetic modeling and simulation of antenna performance and RF propagation through thermal protection systems and ionized flow fieldsIntegrate models and algorithms within mission-level simulations and digital engineering environmentsCollaborate across disciplines (aerodynamics, thermal, GNC, systems engineering) to translate requirements into executable designsSupport concept development, trade studies, technical proposals, and customer briefingsBasic QualificationsBachelor's in electrical engineering, aerospace engineering, applied mathematics, physics, or related field with 8+ years' experience (or master's with 6+)Experience in signal processing, RF systems, communications, or fire control systems engineeringProficiency in one or more of: MATLAB, Python, C/C++Experience developing algorithms for tracking, communications, or sensor data processingUnderstanding of RF fundamentals, including propagation, antennas, and link analysisExperience in a DoD, defense contractor, or national security environmentActive Secret clearance requiredPreferred QualificationsMaster's or Ph.D. with emphasis in electromagnetics, communications, or DSP8+ years supporting missile defense, hypersonic weapons, or reentry systemsFamiliarity with tactical datalinks for sensor-to-shooter timelines against hypersonic threats (e.g., Link 16, TTNT, MADL, Weapon Data Link)Direct experience with IFC systems, data links, and next-generation air and missile defense sensors, including IBCS integration (e.g., Aegis, THAAD)Experience designing missile uplink/downlink subsystems for ground-radar-cued engagements, including in-flight target updates and link-degradation handlingExpertise in EM simulation tools (e.g., Ansys HFSS, CST, FEKO)Experience developing algorithms such as Kalman filters, adaptive beamforming, or spectral estimationLink budget analyses for hypersonic systems, including plasma-induced attenuationHands-on SDR, FPGA (VHDL/Verilog), or embedded RF experienceFamiliarity with MOSA and open architecture standards (OMS, SOSA, FACE)Experience with digital engineering or MBSE environments (e.g., Cameo)Active Top Secret (TS) clearanceIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status 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 at step 30 — and moving faster than anyone else dares.Original Posting:August 3, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $107,900.00 - $195,050.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.SummaryLocation: Huntsville, ALType: Full time