Analysis Skills, Analysis Software, Applications Security, Best Practices, Computer Science, Computer Security, Cross-Functional, Customer Relations, Customer Support/Service, Data Analysis, DoD Directive 8140, DoD Directive 8570, Documentation, Enterprise Protection, GCFA - GIAC Certified Forensic Analyst, GCIH - GIAC Certified Incident Handler, GIAC - Global Information Assurance Certification, Government Intelligence, High School Diploma, IAT - Information Assurance Technical, Incident Response, Information/Data Security (InfoSec), Integrated Circuits (ICs), Intelligence Agencies, Intelligence Community, Internet Security, Maintain Compliance, Mentoring, Multiplatform/Cross-Platform, Network Protocols, Network Security, Operating Systems, Root Cause Analysis, Security Attacks, Security Information and Event Management (SIEM), Security Infrastructure, Security Monitoring, Sensitive Compartmented Information (SCI), Software Development, Top Secret Clearance
General information
Requisition #
R69046
Locations
USA-VA-McLean
Posting Date
07/01/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Cyber Incident Response Analyst to join our team in McLean, VA.
This role supports our customer by providing critical 24x7x365 coverage to protect mission-essential infrastructure. The selected candidate will work a fixed 4-day work week consisting of 10-hour shifts, with available schedules assigned to either Sunday through Wednesday or Wednesday through Saturday. We have openings across 1st (6am to 4pm), 2nd (12pm to 10pm), and 3rd (9pm to 7am) shifts, with shift differentials applied to the 2nd and 3rd shifts. Please note that all new team members must be able to complete initial training on the day shift for a period of six weeks.
Responsibilities
- Lead the detection and continuous monitoring of potential security incidents across diverse network environments.
- Perform deep-dive analysis and investigation into complex security alerts to determine root causes and impact.
- Execute rapid incident response and mitigation strategies to contain threats and restore normal operations.
- Integrate threat intelligence and vulnerability management data to proactively identify and defend against emerging risks.
- Maintain comprehensive reporting and documentation for all security events to ensure compliance and historical accuracy.
- Collaborate with cross-functional teams to refine incident response playbooks and enhance overall defensive posture.
- Provide technical mentorship to junior analysts during high-pressure investigative cycles.
Minimum Qualifications
- High School Diploma
- Experience in a cyber security related role.
- Ability to obtain a DoD 8570 IAT-II certification within 6 months of hire.
- Knowledge of cybersecurity principles, incident detection, and response methodologies.
- Experience working with various operating systems, network protocols, and enterprise security technologies.
- Knowledge of threat intelligence application and security incident response best practices.
- Proficiency in conducting log analysis and correlating data from multiple security platforms.
- Ability to translate technical findings into actionable executive summaries.
Preferred Qualifications
- Bachelor's degree in Computer Science, Cybersecurity, or a similar technical field.
- Previous experience performing incident response within the Intelligence Community (IC).
- Relevant industry certifications such as GIAC Certified Incident Handler (GCIH) or Certified Incident Response Handler (GCFA).
- Advanced experience using SIEM systems, network security tools, and specialized log analysis software.
- Applied knowledge of the MITRE ATT&CK framework to map adversary behavior and improve detection.
Clearance Requirements
- Must have a current/active TS/SCI with Polygraph.
Physical Requirements
- The person in this position must be able to remain in a stationary position 50% of the time.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
M
ManTech International Corp
Our Mission
Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day.
Our Vision
Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech.
Our Values
Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to:
• TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always.
• INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers.
• QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
5,000 to 9,999 employees
https://www.mantech.com/about