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Cyber Software Engineer Senior

Lockheed Martin
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King of Prussia, PA, USA
Aug 24, 2026

Standard Job Description

  • Bachelor’s degree in Cybersecurity, Systems Engineering, Computer Science, Information Technology, or related STEM discipline; equivalent experience may be considered.

  • Minimum 5 years of experience in cybersecurity, systems engineering, information assurance or relevant experience

  • Experience securing Linux and/or Windows operating systems in enterprise or mission environments.

  • Experience with Automation tools specifically Ansible and familiarity with deployment automation

  • Experience with vulnerability scanning and remediation tools.

  • Experience with scripting languages and automation tools

  • Ability to obtain and maintain a DoD Secret clearance (or higher, as required).

Basic Qualifications

What We're Doing

At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success-and we invite you to be part of this critical work.

Key Responsibilities

  • Design and implement secure system architectures for enterprise and mission-critical environments.

  • Apply cybersecurity engineering principles across the full system lifecycle, including requirements, design, implementation, verification, deployment, and sustainment.

  • Support Risk Management Framework (RMF) activities including control implementation, assessment, evidence collection, and ATO accreditation and sustainment.

  • Perform security hardening of operating systems, applications, databases, and network devices in accordance with applicable security baselines (e.g., STIGs, CIS, vendor hardening guides).

  • Develop and maintain system security documentation including RMF artifacts such as SSPs, architecture diagrams, SCTM, and POA&M.

  • Identify security gaps and propose remediation strategies to reduce cyber risk.

  • Support vulnerability management processes including scanning, triage, prioritization, and remediation tracking.

  • Implement and maintain DevSecOps pipelines integrating automated security testing and compliance validation.

  • Integrate tools such as SAST, DAST, container scanning, IaC scanning, and software composition analysis into CI/CD workflows.

  • Automate security control validation and compliance reporting using scripting and infrastructure automation tools.

  • Collaborate with cross-functional teams to ensure secure software delivery and continuous compliance.

  • Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies.

  • Support incident response, remediation efforts, engineering roadmaps, and cyber resilience planning when required.

  • Travel or deploy to CONUS and OCONUS locations based on mission requirements.


Please note:

This position requires the ability to obtain and maintain a DoD government clearance at the Secret level.

This position is based out of King of Prussia, PA or Colorado Springs, CO and the willingness to deploy OCONUS

This position supports both office and field/deployed environments. Candidates must be comfortable working in operationally demanding settings, including secure facilities and OCONUS deployments.

Who We Are

We are Lockheed Martin, a global security and aerospace leader. Our Rotary and Mission Systems (RMS) business area delivers solutions that connect people, protect freedom, and advance the state of technology in areas such as naval systems, radar, cyber, and missile defense.

Who You Are

You are a mission-driven engineer with a strong background in cybersecurity and systems engineering. You thrive in collaborative environments and are passionate about applying your skills to safeguard systems against evolving threats. Your ability to assess risks, develop secure designs, and validate solutions makes you a trusted partner in ensuring mission success.

Why Join Us

At Lockheed Martin, your skills, training, and education are valued-and your future is limitless. You’ll join a team that empowers innovation, supports professional growth, and makes a tangible impact on global security. From day one, you’ll be part of something bigger: protecting what matters most.

Desired Skills

  • Possess an approved DoD 8570 baseline certification for IAT Level II (CISSP, CAP, etc.)

  • Experience supporting DoD weapon systems, aviation platforms, or classified mission systems.

  • Experience with Containerization technologies to include Kubernetes and Openshift

  • Experience with Virtualization platforms/hypervisors

  • Experience implementing container security and Kubernetes hardening.

  • Familiarity with SIEM Tools deployment and administration specifically ArcSight

  • Experience with Zero Trust architecture and cyber resiliency engineering.

Pay Information

Full-Time Salary Range: $110300.00 - $204900.00

At  Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow-both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed 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(work location) and business considerations when extending an offer.  

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

  • Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
  • For (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.

Job ID

996476224931|loc1
About Lockheed Martin

The F-35, PAC-3, and the GOES weather satellite...What do all of these technologies have in common? Talented people, our employees are the core of our business here at Lockheed Martin. As the leading global security, aerospace and information technology company-and the largest provider of IT services, systems integration & training to the U.S. government-we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

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