Dev Sec Engineering Sr - E3 Job Details

Job Title: Dev Sec Engineering Sr - E3

Posting Start Date: 8/14/26

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Job Description:

Standard Job Description

Performs tech planning, design, devel, integ, v&v for total syst life cycle. Analyses performed at all levels of syst product incl. concept, design, fabrication, test, instl, operation, maintenance & disposal, incorp design methods & stds for Cyber Security, SW & HW infrastructure. Designs, devels, docs, tests & debugs SW that contains logical & math solutions to business/mission problems/questions in computer language. Ensures the logical & syst conversion of customer/product reqs into total syst solutions that ack tech, sched, cost constraints & align to SW & HW deployment pipelines & factories. Performs func & timeline analysis, detail trade & reqs allocation & interface defs studies to translate customer reqs into HW & SW feature defs & acceptance criteria. Applies stds, processes, procedures & tools throughout the devel life cycle. Applies HW & SW knowledge, cyber security stds in business/mission apps, & feedback from users to develop SW. Corrects program errors, prepares operating instructions, compiles doc of program devel & analyzes syst capabilities to resolve program problems, output/input data acq, programming tech & controls. Ensures SW stds are met. Validates incorp of features & use cases into implemented designs

Basic Qualifications

=> Active TS/SCI clearance and adjudicated polygraph
=> Current DoD IAT Level II certification or higher (e.g. Security+ or CISSP)
=> 3+ years of hands‑on experience in DevOps/DevSecOps engineering (infrastructure‑as‑code, CI/CD, automation, ansible, terraform, helm)
=> Experience with cloud platforms (AWS preferred)
=> Experience with Linux – daily administration of Red Hat or similar distributions, Bash/Python scripting, package management, system hardening, and troubleshooting.

Desired Skills

=> Experience with container orchestration (Kubernetes/Docker)
=> Experience in DevSecOps or Infrastructure, especially in defense, aerospace, or mission‑critical domains.
=> Experience implementing NIST Risk Management Framework (RMF) and NIST SP 800-53
=> Experience with GitOps workflows (Argo CD) and service mesh security (Istio)

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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.