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Agile Defense

Agile Defense

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Government Defense

Security Engineering Lead

Reston, VA, US

Posted on Feb 19, 2026

RegularSeniorHybridCybersecurity

Job Description

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next.

Our vision is to bring adaptive innovation to support our nation's most important missions through the seamless integration of advanced technologies, elite minds, and unparalleled agility—leveraging a foundation of speed, flexibility, and ingenuity to strengthen and protect our nation’s vital interests.

Requisition #: 1439
Job Title: Security Engineering Lead
Job Title for Careers Page: Security Engineering Lead
Location: Reston, VA
Clearance Level: Secret

SUMMARY

Agile Defense is seeking experienced Security Engineering Lead to support an enterprise cybersecurity program delivering 24/7 Cybersecurity Operations Center (CSOC) services. This role serves as the technical lead for SOC security engineering and modernization efforts, including the integration and sustainment of SIEM, SOAR, EDR, and IDS/IPS platforms. Responsibilities include ensuring compliance with established standards, optimizing system performance, and driving continuous improvement across the enterprise security architecture. A highly technical self-starter with excellent analytical and problem-solving skills, flexibility, good judgment and the ability to coordinate multiple, concurrent tasks in an effective manner.

JOB DUTIES AND RESPONSIBILITIES

Engineer, integrate, and maintain CSOC capabilities and platforms, ensuring effective configuration management and performance optimization. Advance Zero Trust principles, automation, and telemetry coverage across both cloud and on-premises environments. Assess and test emerging technologies; develop comprehensive technical reports and implementation plans to support modernization initiatives.

QUALIFICATIONS
Required Certifications

Minimum required A+, Security+ or Network+; CISSP certification.
Education, Background, and Years of Experience
Bachelor's Degree

ADDITIONAL SKILLS & QUALIFICATIONS
Required Skills

A minimum of 3 years’ experience security administration systems and support. Strong working knowledge of Security Services, Networking, Security Policy, and Consulting. Proven experience in installing, configuring, monitoring, and troubleshooting network security solutions and related monitoring tools including Layer 2 / Layer 3 network devices, Network Admission Control (NAC), 802.1x, Firewalls, IDS / IPS, VPN Solutions, Web Application Firewalls, Content Filtering, fault analysis. Advanced working knowledge of encryption algorithms, Operating Systems (Linux, windows), secure communications, SIEM technologies, and embedded systems security. Advanced working knowledge of network and data communication protocols. Familiar with standard concepts, practices, and procedures within a particular field such as NIST, FISMA and Common Criteria regulations and standards. Experience with Network based IDS / IPS technologies and affiliated modes of operation; experienced in evaluating new technologies and processes that enhance security capabilities. Supervise changes in software, hardware, facilities, telecommunications and user needs.

Experience with Test security solutions using industry standard analysis criteria; experience with the delivery technical reports and formal papers on test findings; experience responding to information security issues during each stage of a
project’s lifecycle to include. Strong scripting skills (bash PowerShell) and ability to use automation tools such as ansible, or puppet. Produce technical documentation, including architecture diagrams, and detailed root cause analysis reports.

Preferred Skills

CISSP certification
Experience with supporting Zero Trust
Network and Operating Certifications (Cisco, Redhat, Microsoft)
Cloud provider certifications (AWS Certified Solutions Architect, Azure Solutions Architect Expert, etc)
Supervise changes in software, hardware, facilities, telecommunications and user needs.
Excellent written and oral communication skills

WORKING CONDITIONS
Environmental Conditions

Hybrid in Reston, VA
Strength Demands
Physical Requirements

About Agile Defense

"Listen. Think. Innovate."​

Our goal is to innovate alongside our customers to transform their operations using IT.

We support significant agency programs and work to partner with our customers to deliver quality and innovative IT solutions with our “Listen. Think. Innovate.” philosophy. Our customers include the US Department of Defense and US civil agencies, including Department of State and the Department of Interior.

Let us know how we can bring our innovation approaches and...

Job overview

Employment type

Regular

Experience level

Senior

Work type

Hybrid

Department

Cybersecurity

Posted

on Feb 19, 2026

About

Job Link

jobs.lever.co

Financials

Type

private

Annual Revenue

--

Market Cap

--

Amount Raised

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