New

Security Engineering Lead

Agile Defense, LLC
United States, Virginia, Reston
Feb 19, 2026
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 Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together. What makes us Agile? We call it the 6Hs, the values that define our culture and guide everything we do. Together, these values infuse vibrancy, integrity, and a tireless work ethic into advancing the most important national security and critical civilian missions. It's how we show up every day. It's who we are. We also believe in supporting our employees by offering a competitive and comprehensive benefits package. To explore the benefits we offer, please visit our website under the Careers section. Happy - Be Infectious. Happiness multiplies and creates a positive and connected environment where motivation and satisfaction have an outsized effect on everything we do. Helpful - Be Supportive. Being helpful is the foundation of teamwork, resulting in a supportive atmosphere where collaboration flourishes, and collective success is celebrated. Honest - Be Trustworthy. Honesty serves as our compass, ensuring transparent communication and ethical conduct, essential to who we are and the complex domains we support. Humble - Be Grounded. Success is not achieved alone, humility ensures a culture of mutual respect, encouraging open communication, and a willingness to learn from one another and take on any task. Hungry - Be Eager. Our hunger for excellence drives an insatiable appetite for innovation and continuous improvement, propelling us forward in the face of new and unprecedented challenges. Hustle - Be Driven. Hustle is reflected in our relentless work ethic, where we are each committed to going above and beyond to advance the mission and achieve success. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. Apply for this job