Cyber Systems Engineer III

What We’re Doing At the dawn of a new age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing workforce is on a mission to make a difference in the world. Our world‑class team leverages unique skills and experiences to create, design and build solutions to some of the world’s hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus, and if you have the passion and courage to dream big, we want to build a better tomorrow with you. Who We Are We are leveraging emerging, digitally‑enabled capabilities to lower cost, speed up development time and create innovative solutions to best serve our customers and stakeholders. We’re bringing the 4th Industrial Revolution to every role in the company. Are you ready to invent the future? Lockheed Martin Rotary & Mission Systems is on a journey of digital transformation as we leverage our data, modernize our processes and advance technology to advance our position as the world’s Aerospace and Defense leader. Who You Are The Cyber Software EngineerIII is a senior‑level, technically‑deep role that bridges secure software development with embedded hardware platforms and complex networking infrastructures. This role is responsible for designing, developing, documenting, testing, and maintaining comprehensive cyber‑security solutions throughout the entire lifecycle of our information systems. Using a variety of automated assessment tools such as ACAS, Nessus, Rapid7, SCAP/SCC, Evaluate‑STIG, custom scripts, and manual STIG checklists, the engineer conducts thorough system analyses, identifies security gaps, and creates actionable remediation plans. The Work Drive system‑wide improvements, including the development of software‑patching strategies, vulnerability‑management roadmaps, and the adoption of new security technologies that strengthen overall resilience. Shape, integrate, and monitor security strategies, leveraging SIEM platforms and audit‑log management tools to maintain continuous situational awareness and threat detection. Serve as the subject‑matter expert for colleagues integrating security controls into hardware and software products. Translate Risk Management Framework (RMF) requirements into practical guidance, ensuring controls are embedded, validated, and aligned with organizational policies. Collaborate with product owners, system architects, DevOps, and other cross‑functional teams to deliver robust, compliant cyber solutions. Why Join Us Work on cutting‑edge radar technologies essential to national security and defense. Collaborate with innovative professionals across multiple disciplines to solve complex challenges. Contribute to high‑visibility, impactful projects that directly support the mission of ensuring global security. Be part of a culture that encourages creativity, innovation, and excellence in everything we do. Basic Qualifications Ability to obtain and maintain a TOP SECRET security clearance. Possess or ability to obtain a CompTIA Security+ certification (or DoDM 8140.03 equivalent or higher certification) within 90 days of hire. Bachelor’s degree in Computer Engineering, Electrical Engineering, Computer Science, Cybersecurity, or a closely related technical discipline (a Master’s degree or advanced coursework in cybersecurity, embedded systems, hardware security, or network engineering strongly preferred). 6+ years of hands‑on software development/scripting in a cyber‑focused environment combined with demonstrable experience integrating software with hardware platforms such as FPGA, ASIC, microcontrollers, sensor suites, or avionics. At least 3 years of work involving secure networking, cloud/on‑premise infrastructure, SIEM, and large‑scale system integration. Desired Skills Defense Information Systems Agency (DISA) Assured Compliance Assessment Solution (ACAS) scanning experience. Familiarity with DISA Security Technical Implementation Guide (STIG) testing. Clear understanding of the Risk Management Framework (RMF) and its associated security controls. Proven ability to develop, debug, and secure firmware/embedded code (C/C++, Rust, or Python) that interacts directly with hardware interfaces (UART, SPI, I²C, CAN, Ethernet, PCIe). Experience with hardware‑in‑the‑loop (HIL) testing. Effective implementation of STIGs into Windows, Linux, VMware, and Networks, and Applications. Deep knowledge of TCP/IP, UDP, TLS/DTLS, VPNs, VLANs, SD‑WAN, and industrial networking protocols such as MIL‑STD‑1553 and ARINC 429. Experience designing, securing, and automating networked infrastructure using IaC tools (Terraform, Ansible) and container/orchestration platforms (Docker, Kubernetes). Advanced familiarity with NIST CSF, DoD RMF, ISO27001/27017, IEC62443, and emerging hardware‑focused security standards (e.g., NIST SP800‑193, Trusted Computing Group specifications), and the ability to embed these controls into both software and hardware development lifecycles. Proven track record of leading cross‑functional teams of software, hardware, and network engineers; mentoring junior staff; and driving security‑by‑design decisions across the product stack. Strong written and verbal communication skills, with the ability to produce detailed architecture documents, threat‑model reports, and stakeholder briefings. Active participation in professional communities (e.g., IEEE, ISSA, DEF CON), attendance at hardware‑security conferences, and commitment to staying current on emerging threats, vulnerability disclosures, and best practices in cyber‑physical system security. Security Clearance Statement This position requires a government security clearance; you must be a US Citizen for consideration. Clearance Level

TS/SCI

Pay Rate The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $101,000 - $178,135. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Benefits Medical, Dental, Vision, Life Insurance, Short‑Term Disability, Long‑Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, Holidays. Equal Opportunity Employer Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. #J-18808-Ljbffr Lockheed Martin