Cyber Systems Engineer III
Littleton, Colorado
Littleton, Colorado
Responsibilities
Description:WHAT WE’RE DOING
At the dawn of a new age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing workforce are 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 worlds’ 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 Engineer III 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
In this position, the Cyber Software Engineer III drives system‑wide improvements, including the development of software‑patching strategies, vulnerability‑management roadmaps, and the adoption of new security technologies that strengthen overall resilience. A solid grasp of capability development is applied to shape, integrate, and monitor security strategies, while leveraging SIEM platforms and audit‑log management tools to maintain continuous situational awareness and threat detection.
A key part of the role is serving as the subject‑matter expert for colleagues who integrate security controls into hardware and software products. The engineer translates Risk Management Framework (RMF) requirements into practical guidance, ensuring that controls are correctly embedded, validated, and aligned with organizational policies.
Success requires advanced technical expertise, excellent written and verbal communication, and the ability to collaborate effectively with product owners, system architects, DevOps, and other cross‑functional teams to deliver robust, compliant cyber solutions.
Why Join Us
At Lockheed Martin - Rotary Mission Systems, we offer you the opportunity to:
Work on cutting-edge radar technologies that are essential to national security and defense.
Collaborate with innovative professionals across multiple disciplines and technologies 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.
If you are driven by a passion for cybersecurity, mission success, and advancing defense technology, we want to hear from you!
Learn more about Lockheed Martin’s competitive and comprehensive benefits package.
#cyberetech
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 is strongly preferred.
• 6 + years of hands‑on software development/scripting in a cyber focused environment combined with demonstrable experience integrating software with hardware platforms (e.g., 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 Defense Information Systems Agency (DISA) Security Technical Implementation Guide (STIG) testing.
• Clear understanding of the Risk Management Framework (RMF) and its associated security controls. Candidate should be able to speak to each and every control and how to best implement it within a given environment.
• 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 (e.g., MIL‑STD‑1553, ARINC 429).
• Demonstrated 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, ISO 27001/27017, IEC 62443, and emerging hardware‑focused security standards (e.g., NIST SP 800‑193, Trusted Computing Group specifications). 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 a 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
Other Important Information You Should Know
Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.
Ability to Work Remotely: Part-time Remote Telework: The employee selected for this position will work part of their work schedule remotely and part of their work schedule at a designated Lockheed Martin facility. The specific weekly schedule will be discussed during the hiring process.
Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.
Schedule for this Position: 4x10 hour day, 3 days off per week
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. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: 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, and Holidays.
(Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
This position is incentive plan eligible.
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.
With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.
If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.
Experience Level: Experienced Professional
Business Unit: RMS
Relocation Available: Possible
Career Area: Cyber Security Engineering
Type: Full-Time
Shift: First
About
At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.
Pioneering Defense Technology: From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.
United By Culture: Excellence, integrity, and collaboration define us. We accelerate change and embrace one another’s perspectives to win for our customers.
Real Impact, Real Growth: Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.
Your Health, Your Wealth, Your Life: Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond.
Empowered to Be Your Best: Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet.
Here, the possibilities are endless because we offer:
- Flexible Schedules, dependent on role
- Levels: Student, Entry, Mid, Senior, Management
- Locations: Nationwide & OCONUS Positions
Qualifications
What does a successful Cyber Security employee at Lockheed Martin look like?
Check out the info below to see if you have what it takes.
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Analytical
Advancing technologies and out of the box thinking that enable cyber operations, resulting in inventing solutions that will keep us safe today and into the future.
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Creative
Natural curiosity is an absolutely essential trait. Curiosity leads to continual learning which allows you to stay one step ahead of the threat.
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Curious
The ability to anticipate hackers’ intent and disrupt their next move is key. Seeking out new weaknesses before they become weaknesses. Proactively learning and updating systems is how we stay ahead of the threat.
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Proactive
We have hard problems to solve and we look for people who thrive at solving them, who can see problems from both the defensive and offensive sides.
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Problem Solver
Whatever you know today could be different tomorrow as security is constantly changing. Possessing strong technical skills and intellectual depth along with a willingness to continually learn from others is important to adapt to and address the Advanced Persistent Threat.
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Technologically savvy
The ability to analyze and disseminate threat intelligence. The ability to analyze and address the root cause, learn from the attack and anticipate the hacker’s next move.
Quote
“Cyber is the most exciting career field! Every day, there's new cyber threat information that we leverage to shape our courses of action when identifying, assessing, developing, integrating, and continuously evaluating the effectiveness of defensive measures.”
Dr. Dawn B., Senior Fellow
Benefits
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Healthcare
Medical, Dental and Vision coverage is available for employees who opt-in.
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401(k)/Retirement Plans
Our 401(k) plan features generous matching and company contributions.
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Professional Development
We support our employees through mentoring, internal & external educational programs, networking, skills enhancement and career-building programs, funding for cyber certifications.
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Maternity and Paternity Leave
Our generous parental leave policies support your journey into parenthood. When you return to work, our facilities offer mother's rooms to support your transition and work/life balance.
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Paid Time Off
We offer PTO, paid holidays and paid time off for jury duty and military obligations.
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Flex-time
Depending on the position, we offer flexible work schedules.