Apply on Employer Site

Leidos · 2 months ago

Security Infrastructure Engineer

Alexandria, VA

Full-time

Hybrid

Senior Level, Lead/Staff

$105K/yr - $189K/yr

8+ years exp

Leidos is a leading provider of IT products, services, and solutions for the Pentagon and other DoD offices. The Security Infrastructure Engineer will operate and maintain network security infrastructure, manage cybersecurity capabilities, and advise on improvements to security infrastructure.

ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Work with government counterparts, contractors, and internal team members to deploy and manage policies, rules, and signature sets on cybersecurity capabilities

Manage high-priority tasks and outages

Maintain, develop, and improve Security Infrastructure standard operating procedures and tactics, techniques, and procedures (TTPs)

Maintain complete and current network and elevation diagrams for all managed security equipment

Coordinate and comply with applicable change control boards and corresponding processes

Advise and strategize with government and program leadership on ways to improve the security infrastructure, requiring multi-dimensional problem solving and ingenuity with impact on multiple aspects of the mission

Provide briefings to program/project leadership, government leadership, and other internal stakeholders on security infrastructure status, updates/patches, issues, and/or upgrades

Operate and maintain cybersecurity capabilities to include IDS/IPS/Netflow/SIEM/Snort/Linux/Virtualization etc

Ensure Compliance standards

Qualification

Cybersecurity toolsIDS/IPS capabilitiesNetwork security infrastructureWindows operating systemLinux operating systemAutomation frameworksCybersecurity threats lifecycleTechnical communicationProblem solvingTeam collaboration

Required

Must have an active DoD TS/SCI clearance

Must have DoD 8570 IAT II or higher certification (Security+ CE or equivalent) prior to start

Must obtain a DOD-8570 CSSP Infrastructure Support certification within 6 months of start

Bachelor's degree and 8+ years of professional experience; additional military service and/or relevant work experience may be considered lieu of a degree

2+ years of technical experience deploying and maintaining cybersecurity tools, especially IDS/IPS capabilities

Demonstrated experience with configuring, maintaining, and troubleshooting cybersecurity infrastructure and capabilities

Demonstrated knowledge of network traffic and communications, including known ports and services

Hands-on experience with the Windows and Linux operating system and their respective command line interfaces and scripting shells

Preferred

Experience with automation and orchestration frameworks (ex. Ansible, Puppet, Chef)

Deep technical understanding of core current cybersecurity technologies as well as emerging capabilities

Demonstrated understanding of the life cycle of cybersecurity threats (internal and external), attacks, attack vectors and methods of exploitation with an understanding of intrusion set TTPs

Motivated self-starter with strong written and verbal communication skills, and the ability to create complex technical reports on analytic findings

Familiarity or experience in Intelligence Driven Defense, Cyber Kill Chain methodology, and/or MITRE ATT&CK framework

Prior hands-on experience as a SOC analyst