Cyber Software Eng Sr - E3

Lockheed Martin; King of Prussia (PA); Hybrid; USD 110,000 - 205,000; Full time

Benefits offered by this job

Medical

Dental

Vision

Flexible work arrangements

401(k) match

Paid time off

Holidays

Parental Leave

EAP

Flexible Spending Accounts

Education Assistance

Life Insurance

Short-Term Disability

Long-Term Disability

Job summary

Lockheed Martin Rotary and Mission Systems in King of Prussia, PA (hybrid; onsite 3 days a week) seeks a Cyber Software Engineer to advance secure mission systems across CONUS and OCONUS, focusing on cyber analysis, automation, and DevSecOps.

You will collaborate with software and infrastructure teams to assess risks, develop secure designs, and validate solutions while ensuring compliance and resilience of critical systems. Travel up to 50% and DoD Secret clearance are required.

Qualifications

• Bachelor's degree in a related field with 5+ years of relevant experience.
• Experience with Linux and Windows operating systems.
• Experience with AI/ML/DL for cyber analysis and auditing.
• Experience with vulnerability scanning and/or patching
• Sec+ Certification.
• Base understanding of Risk Management Framework, NIST SP 800-53.
• This position requires the ability to obtain and maintain a DoD government clearance at the Secret level.
• This position requires the ability to travel up to 50%.

Responsibilities

• Support design, implementation, hardening, and sustainment of secure mission systems.
• Collaborate with software, infrastructure, and security teams to ensure mission resilience.
• Assist with system accreditation activities, continuous monitoring, and automation of security controls in CI/CD pipelines.

Skills

Linux

Windows

AI/ML/DL

Vulnerability management

RMF/NIST 800-53

Sec+

DoD clearance

Travel up to 50%

Kubernetes

OpenShift

Container security

ArcSight SIEM

Zero Trust

Education

Bachelor's degree in a related field

Tools

Kubernetes

OpenShift

ArcSight

Virtualization

Job description

Standard Job Description

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.

The Work

We are seeking a highly motivated Cyber Software Engineer to support the design, implementation, hardening, and sustainment of secure mission systems across both CONUS and OCONUS environments.

This role requires strong technical expertise in systems engineering, cybersecurity, infrastructure security, automation, and DevSecOps practices. The ideal candidate will support secure architecture development, system accreditation activities, continuous monitoring, vulnerability management, and automation of security controls within CI/CD pipelines.

The Cyber Systems Engineer will work closely with software engineers, infrastructure teams, customer representatives, security architects, program leadership, and operational users to ensure mission systems remain secure, resilient, and compliant.

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 is hybrid but required to work onsite 3 days a week.

This position requires the ability to travel up to 50%.

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 Software 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.

Basic Qualifications

• Bachelor's degree in a related field with 5+ years of relevant experience.
• Experience with Linux and Windows operating systems.
• Experience with AI/ML/DL for cyber analysis and auditing.
• Experience with vulnerability scanning and/or patching
• Sec+ Certification.
• Base understanding of Risk Management Framework, (RMF) NIST SP 800-53.
• This position requires the ability to obtain and maintain a DoD government clearance at the Secret level.
• This position requires the ability to travel up to 50%.

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.