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Cyber Software Engineer

Louisville, Colorado

Louisville, Colorado

Responsibilities

Job ID: 719961BR Date posted: Mar. 09, 2026
Description:

You will be a Cyber Software Engineer for a research and development team which is responsible for investigating and exploiting the newest technological advances to resolve complex problems.


What You Will Be Doing


As a Cyber Software Engineer you will combine deep systems expertise with modern security‑by‑design practices to build robust, cloud‑enabled, and hardware‑integrated solutions. You’ll work in an agile environment, partnering with cross‑functional teams and customers to deliver secure, high‑performance software from concept through production.


Your responsibilities will include:



  • Design, develop, and maintain secure software codebases—leveraging innovative approaches to tackle complex, mission‑critical challenges and break new ground where existing solutions fall short, delivering novel capabilities that advance our customer's strategic objectives.

  • Incorporate security considerations throughout the software development lifecycle (threat modeling, hardening, code reviews, Security centric protocols).

  • Researching and developing new software technologies with a cyber lens to resolve complex problems.

  • Collaborating with customers throughout the development life-cycle to ensure innovative solutions meet their needs.

  • Contributing to a team environment that values innovation, creativity, and teamwork.

  • Participating in the development of outstanding team culture, quickly adapting to evolving customer requirements.

  • Utilizing curiosity, dedication, and a one-team focus to enable the most creative solutions to meet or excced customer expectations.

  • Mentoring junior engineers, sharing knowledge, and fostering a culture of innovation, teamwork, and continuous learning.

  • Researching emerging technologies (e.g., edge‑AI, serverless, rapid‑prototyping tools) and evaluating their applicability to current security challenges.


  • What’s In It For You


    We are committed to supporting your work-life balance and overall well-being, offering flexible scheduling options. Learn more about Lockheed Martin’s comprehensive benefits package here.
    Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus - if you have the passion and courage to dream big, work hard, and have fun doing what you love then we want to build a better tomorrow with you.


    This position is in one of the Coolest places to work: Denver, Colorado.

    Our offices are in colorful Colorado, close to Denver, where you can enjoy world-class skiing and snowboarding, a vibrant downtown, outdoor activities year-round, non-stop flights to over 200 domestic and 25 international destinations, and an outstanding work-life balance!

    Who You Are


    The ideal candidate is a collaborative and dedicated individual with a passion for innovative cyber software engineering and a drive to make a significant contribution to mission success. You should be able to work in a fast-paced, dynamic environment, quickly adapting to evolving customer requirements, and thrive in a team that values innovation, creativity, and teamwork.


    Eligibility


    MUST BE A U.S. CITIZEN - The selected candidate must possess an active Top Secret clearance with SCI eligibility to start.


    Basic Qualifications:
  • Active TS/SCI clearance required prior to start.

  • Fluent in two or more programming languages, e.g.: C/C++, C#, Java, JavaScript, Typescript, Python, Ruby

  • Expertise with one or more operating systems: Linux, Unix, macOS, Windows, Android, iOS, iPadOS

  • Hands‑on experience using configuration‑management tools such as: Git, SVN, TFS, Mercurial

  • Formal education or professional experience in a relevant field: Software Engineering, Computer Engineering, Computer Science, or a related discipline

  • Desired Skills:
    Experience in one or more of the following will set you apart:
  • Custom hardware development

  • Exploit analysis

  • Wireless technologies

  • Mobile application development

  • Containerization

  • Cloud computing

  • Automated testing

  • Continuous integration/continuous deployment

  • Rapid prototyping tools and techniques

  • IP networking

  • Familiarity with agile development methodologies.

  • Proficient in Cyber security

  • Experience in Linux kernel development

  • Knowledge of driver to hardware interactions

  • Experience with Secure Configuration/Hardening of Secure Information Systems

  • Experience with SIEM tools

  • Experience with Agile Methodologies

  • Knowledge of securing cloud network technologies, such as Amazon Web Services (AWS), Google Cloud Provider (GCP) or Microsoft Azure


  • #LMSpaceCyberEng
    #LMSpaceSoftwareEng
    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: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.
    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: 9x80 every other Friday off
    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 $128,200 - $225,975. 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: SPACE
    Relocation Available: Possible
    Career Area: Cyber Security Engineering
    Type: Full-Time
    Shift: First
    Apply Now

    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

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    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.

    • 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.

    • Creative

      Natural curiosity is an absolutely essential trait. Curiosity leads to continual learning which allows you to stay one step ahead of the threat.

    • 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.

    • 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.

    • 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.

    • 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.

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    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

    • Healthcare

      Medical, Dental and Vision coverage is available for employees who opt-in.

    • 401(k)/Retirement Plans

      Our 401(k) plan features generous matching and company contributions.

    • Professional Development

      We support our employees through mentoring, internal & external educational programs, networking, skills enhancement and career-building programs, funding for cyber certifications.

    • 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.

    • Paid Time Off

      We offer PTO, paid holidays and paid time off for jury duty and military obligations.

    • Flex-time

      Depending on the position, we offer flexible work schedules.

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