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Added 30 mins ago
Sr. Position, Navigation, & Timing (PNT) and Satellite Control Network (SCN) Pro
The Aerospace Corpor
Colorado Springs, CO
…missions: the Position Navigation & Timing (PNT) Global Positioning System (GPS) and the Satellite Control Network (SCN). The organization seeks a Sr. Position, Navigation, & Timing (PNT)…
Added 1 hour ago
Sr. Data Migration Engineer
CGI Technologies and Solutions, Inc.
Huntsville, AL
CGI Federal is seeking a Senior Data Migration Engineer to lead complex data extraction, transformation, validation, and migration activities within a major federal modernization program.…
Added 1 hour ago
Sr. Full Stack Engineer
CGI Technologies and Solutions, Inc.
Huntsville, AL
CGI Federal is seeking a Full Stack Engineer – Senior to support application design, development, integration, and modernization for a major federal transformation program. This senior role…
Added 1 hour ago
Sr. Data Migration SME
CGI Technologies and Solutions, Inc.
Huntsville, AL
· Collaborate with system owners, mission stakeholders, and cross functional engineering teams to ensure operational readiness and mission alignment.
Added 1 hour ago
Sr. Full Stack Software Engineer – AI Agents
Jobgether
Remote, United States
The Sr. Full Stack Software Engineer – AI Agents will design and deliver production-ready applications powered by sophisticated multi-agent systems on Google Cloud Platform (GCP). This…
Added 1 hour ago
Software Engineer Sr - E3
Lockheed Martin
Littleton, CO · Littleton
Space Protection Programs is seeking an experienced Software Integration Engineer who can guide a team through complex mission software development lifecycle. Candidate must have the…
Added 1 hour ago
Software Engineer Sr - E3
Lockheed Martin
Littleton, CO · Littleton
Space Protection Programs is seeking an experienced Software Integration Engineer who can guide a team through complex mission software development lifecycle. Candidate must have the…
Added 1 hour ago
Software Engineer Sr - E3
Lockheed Martin
Littleton, CO · Littleton
Space Protection Programs is seeking an experienced Software Integration Engineer who can guide a team through complex mission software development lifecycle. Candidate must have the…
Added 1 hour ago
Reliability Engineer Sr - E3
Lockheed Martin
Huntsville, AL · Huntsville
The Engineering & Technology organization is a highly dynamic and growing organization that plays a vital role in providing mission-critical solutions to our customers. Come be a part of…
Added 1 hour ago
Project Engineer Sr. Staff - Facility & Infrastructure Activation Lead
Lockheed Martin
Silverdale, WA · Silverdale
Lockheed Martin Space is seeking a Project Engineer Sr. Staff to serve as Facility & Infrastructure Activation Lead in the Fleet Ballistic Missile (FBM) Weapons System Infrastructure &…
Added 1 hour ago
Systems Engineer Sr - E3
Lockheed Martin
Virtual Three, AL · AL
Working in a collaborative Agile environment, you'll partner with multidisciplinary engineering teams to translate customer requirements into integrated system solutions. You'll contribute…
Added 1 hour ago
Systems Engineer Sr - E3
Lockheed Martin
Virtual Three, AL · AL
Working in a collaborative Agile environment, you'll partner with multidisciplinary engineering teams to translate customer requirements into integrated system solutions. You'll contribute…
Added 1 hour ago
Systems Engineer Sr - E3
Lockheed Martin
Virtual Three, AL · AL
Working in a collaborative Agile environment, you'll partner with multidisciplinary engineering teams to translate customer requirements into integrated system solutions. You'll contribute…
Added 1 hour ago
Sr. Full Stack Engineer (Infrastructure)
Lockheed Martin
Colorado Springs, CO · Colorado Springs
Utilize knowledge of software engineering, cybersecurity, system integration, and data management to ensure project deliverables meet overarching system requirements
Added 1 hour ago
Sr SATCOM Field Engineer Sr - Ex Pat Japan
Lockheed Martin
Bethesda, MD · Bethesda
Our Team, the Command and Control, Battle Management and Communications (C2BMC) team, is engineering, developing and integrating new capability for the Missile Defense System.
Added 1 hour ago
Sr. Full Stack Engineer (Infrastructure)
Lockheed Martin
Colorado Springs, CO · Colorado Springs
Utilize knowledge of software engineering, cybersecurity, system integration, and data management to ensure project deliverables meet overarching system requirements
Added 1 hour ago
Systems Engineer Sr (E3)
Lockheed Martin
Orlando, FL · Orlando
As a Systems Engineer, you will utilize a Model Based Systems Engineering (MBSE) approach to develop the system architecture and requirements for the MeF IRAD. You will work with engineers…
Added 1 hour ago
Systems Engineer Sr - E3
Lockheed Martin
Littleton, CO · Littleton
As a Systems Engineer for Model-Based System Engineering (MBSE) you will employ MBSE approaches to develop Systems Engineering products using SysML and MBSE tools to capture, maintain, and…
Added 1 hour ago
ASIC & FPGA Design Engineer Sr - E3
Lockheed Martin
Liverpool, NY · Liverpool
You understand how the many different pieces of a system work together. Our products involve hundreds of people, processes, and systems, and you’ll help determine the ones that are relevant…
Added 1 hour ago
Cyber Systems Security Engineering Sr - E3
Lockheed Martin
King of Prussia, PA · King of Prussia
We are seeking a highly motivated Cyber Systems Security Engineer Sr to support the design, implementation, hardening, and sustainment of secure mission systems and IRAD environments. This…
Added 1 hour ago
Systems Engineer Sr Stf - E5
Lockheed Martin
Palmdale, CA · Palmdale
You will be the Systems Engineer Senior Staff - Level 5 for the Skunk Works Systems Engineering team which is responsible for advancing cutting‑edge mission systems. You are an established…
Added 1 hour ago
Electrical Engineer Sr Stf
Lockheed Martin
Grand Prairie, TX · Grand Prairie
You will be the Electrical Engineer for the Hardware Engineering team at Lockheed Martin Missiles and Fire Control (MFC). Our team delivers precision engagement aerospace and defense…
Added 1 hour ago
Electrical Engineer Sr
Lockheed Martin
Grand Prairie, TX · Grand Prairie
You will be the Electrical Engineer for the Hardware Engineering team at Lockheed Martin Missiles and Fire Control (MFC). Our team delivers precision engagement aerospace and defense…
Added 1 hour ago
Systems Engineer Sr Stf - Level 5
Lockheed Martin
Fairfax, VA · Fairfax
Lockheed Martin Space is seeking a Level 5 Systems Engineer to lead the design and implementation of advanced GNSS/SBAS solutions at onsite at our Fairfax, VA facility. We are seeking a…
Added 1 hour ago
Field Sales Support Systems Engineer Sr - Level 3
Lockheed Martin
Fort Worth, TX · Fort Worth
You will be a Field Sales Support Systems Engineer Sr - Level 3.

Lockheed Martin

Cyber Systems Security Engineering Sr - E3

King of Prussia, PA, United States
King of Prussia, United States

Pay Information Full-Time Salary Range: $110300.00 - $204900.00 At Lockheed Martin, we know mission success starts with taking care of our people.

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Job details

Pay: Pay Information Full-Time Salary Range: $110300.00 - $204900.00 At Lockheed Martin, we know mission success starts with taking care of our people.
Apply by: May 2, 2027
Experience: Minimum 5+ years of experience in cybersecurity, systems engineering, information assurance or relevant experience
Posting language: English
Posted: Nov 3, 2026

Original 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 Systems Security Engineer Sr to support the design, implementation, hardening, and sustainment of secure mission systems and IRAD 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.

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. 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 vulnerability analysis, and evaluation of mitigation strategies. Support incident response, remediation efforts, engineering roadmaps, and cyber resilience planning when required.

Please note:

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

This position is based out of King of Prussia, PA. 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.

Basic Qualifications

Bachelor’s degree in Cybersecurity, Systems Engineering, Computer Science, Information Technology, or related STEM discipline.
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
Working knowledge of cybersecurity frameworks such as the following and associated documentation:
NIST SP 800-53
NIST 800-171
SSP
SOP
SCTM
Experience with vulnerability scanning and remediation tools.
Experience with scripting languages and automation tools
Ability to obtain and maintain a DoD Top Secret clearance (or higher, as required).

Desired Skills

Possess an approved DoD 8570 baseline certification for IAT Level II (CISSP, CAP, etc.)
Experience supporting DoD weapon systems, Software Defined Radio platforms, or classified mission systems.
Experience with Containerization technologies to include Kubernetes
Experience with Virtualization platforms/hypervisors
Experience implementing container security and Kubernetes hardening.
Familiarity with SIEM Tools deployment and administration specifically Elastic
Experience with Zero Trust architecture and cyber resiliency engineering.
Experience supporting environmental handling:
Controlled Unclassified Information (CUI)
SIPR Environments
Air-gapped or disconnected systems

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.

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