New

Incident Response Team 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 #: 1435 Job Title: Incident Response Team Lead Location: Reston, VA Clearance Level: TS (SCI Eligible) Required Certification(s): Active Certified Information System Security Professional (CISSP) SUMMARY Agile Defense is seeking experienced Cyber Incident Response Team Lead to support an enterprise cybersecurity program that delivers 24/7/365 Cybersecurity Operations Center (SOC) services. The IR team conducts security investigations for potential threat activity identified within the organization, conducts deep-dive forensic investigations (host-based,cloud and network), identify and implement countermeasures, as well as track and report on incident activity to USG customers. To support this vital mission, Agile Defense staff are on the forefront of providing Advanced CSOC Operations to include the development of advanced analytics and countermeasures to protect critical assets from various cyber threats. To ensure the integrity, security and resiliency of critical operations, we are seeking candidates with diverse backgrounds in cyber security systems operations, technical analysis and incident response lifecycle. A strong work ethic, diligent time and attendance, written and verbal communications skills are a must. The ideal candidate will have a solid understanding of cyber threats and information security in the domains of TTP's, Threat Actors, Campaigns, and Observables. Additionally, the ideal candidate would be familiar with intrusion detection systems, intrusion analysis, security information event management platforms, endpoint threat detection tools, and security operations ticket management. JOB DUTIES AND RESPONSIBILITIES Drive the incident response lifecycle to include incident detection, analysis, escalation, and coordinated response across all CSOC functions. Develop and standardize incident response runbooks, playbooks, and communication protocols; ensure proper evidence handling and thorough documentation. Monitor and improve key performance metrics (MTTA/MTTR); capture lessons learned and implement corrective actions to strengthen future response efforts. QUALIFICATIONS Required Certifications Certified Information System Security Professional (CISSP) and One or more of the following certifications: GIAC Certified Intrusion Analyst (GCIA), GIAC Certified Incident Handler (GCIH); GIAC Certified Forensic Analyst (GCFA); SANS GIAC Certified Enterprise Defender (GCED) or Other Information Assurance Technician (IAT) Level III certification in accordance with DoD Directive 8570.1. Education, Background, and Years of Experience Bachelor of Science in computer science, engineering, STEM or cybersecurity IT or cyber security (or eight (8) years of relevant work experience in lieu of a degree). ADDITIONAL SKILLS & QUALIFICATIONS Required Skills Five (5) years of progressive professional experience in incident response role, SOC analyst role with emphasis in cyber security issues, incidents, hunts or digital forensics and operations, and computer incident response lifecycle. Candidates must also exhibit proficient use of cyber tools, including but not limited to Security Information and Event Management (SIEM), network analysis, live response, endpoint detection and response tools, Intrusion Prevention / Detections Systems (IPS / IDS) and CSOC ticketing platforms. Preferred Skills One or more of the following GFCA, GPEN, GREM, GFNA, GIAC Familiarity with Cloud environments WORKING CONDITIONS Environmental Conditions Hybrid onsite 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