DevSecOps Network Engineer — Classified Infra, Flexible Hours

Lockheed Martin Corporation; Marietta (GA); On-site; USD 98,000 - 182,000; 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 Corporation is seeking a DevSecOps engineer to secure and automate classified network infrastructure across ADP, F-22, and JSF programs. The role ensures secure deployment, maintenance, and monitoring within a fast-paced, mission-critical environment.

The position emphasizes integrating security throughout the network lifecycle—from design to operations—using IaC, CI/CD, and monitoring to maintain resilience and compliance in classified settings.

Qualifications

• Ability to obtain a Secret Clearance.
• Proven experience in network engineering within classified or DoD environments.
• Familiarity with DevSecOps practices, including automation, CI/CD pipelines, IaC, and secure system configuration.
• Familiarity working in an Agile team
• Hands-on experience with network security tools, firewalls, encryption devices, and secure system hardening.
• Strong understanding of network protocols, architectures, and layered defense models.
• Ability to work independently and communicate effectively across multidisciplinary teams.

Responsibilities

• Serve as a DevSecOps engineer with a focus on secure network infrastructure, automating provisioning, compliance checks, and incident response across classified environments.
• Maintain and secure network hardware, including Cisco switches, Palo Alto and Juniper firewalls, and Type 1 encryption devices.
• Implement infrastructure as code (IaC) where applicable, and integrate network configuration management into CI/CD pipelines to support rapid, repeatable deployments.
• Utilize and secure tools like Cisco ISE, DNA Center, and Call Manager, ensuring consistent security policies and monitoring.
• Collaborate across cyber, development, and operations teams to embed security practices throughout the system lifecycle.
• Support network vulnerability management, remediation efforts, and compliance with DoD cybersecurity standards (e.g., STIGs, RMF).
• Participate in planned infrastructure upgrades, including installation and structured cabling of network components in classified environments.
• Apply continuous monitoring and log analysis to identify anomalies, enforce security baselines, and improve operational visibility

Skills

DevSecOps

Network security

IaC

CI/CD

Security tools

GIT/GitLab

Scripting Bash

Python

PowerShell

AWS/Azure/VMware

Docker/Kubernetes

CCNA Security/CISSP

Tools

Ansible

Terraform

Cisco ISE

DNA Center

Call Manager

GITLAB CI

Job description

Lockheed Martin Corporation is seeking a DevSecOps engineer to secure and automate classified network infrastructure across ADP, F-22, and JSF programs. The role ensures secure deployment, maintenance, and monitoring within a fast-paced, mission-critical environment.

The position emphasizes integrating security throughout the network lifecycle—from design to operations—using IaC, CI/CD, and monitoring to maintain resilience and compliance in classified settings.