Senior Cyber Security Analyst at MANTECH
Hackajob
IT
Springfield, MO, USA
Posted on Mar 10, 2026
hackajob is collaborating with Archer to connect them with exceptional professionals for this role.
MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Analyst to join our team in Springfield, VA.
This role supports 24x7 cybersecurity operations by identifying and mitigating threats to mission systems. You will play a vital part in analyzing cyber incidents, assessing risk, and providing expert guidance to enable rapid remediation.
Responsibilities Include But Are Not Limited To
MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Analyst to join our team in Springfield, VA.
This role supports 24x7 cybersecurity operations by identifying and mitigating threats to mission systems. You will play a vital part in analyzing cyber incidents, assessing risk, and providing expert guidance to enable rapid remediation.
Responsibilities Include But Are Not Limited To
- Provides detection, identification, and reporting of possible cyber-attacks/intrusions, anomalous activities, and misuse activities
- Characterizes and performs analysis of network traffic and system data to identify anomalous activity and potential threats to resources
- Performs security event and incident correlation using information gathered from a variety of sources within the enterprise
- Performs cyber incident triage to include determining scope, urgency, and potential impact; identifies the specific vulnerability and makes recommendations to enable expeditious remediation
- Tracks and documents cyber incidents from initial detection through final resolution
- Analyzes and assesses damage to the data and infrastructure resulting from cyber incidents
- Performs cyber incident trend analysis and reporting
- Supports Monday–Friday schedule with on-call availability for 24x7 cyber operations as needed
- Bachelor’s degree or 4+ additional years of cyber experience in lieu of degree
- 5+ years of cyber experience
- IAT Level II certification required (GSEC, Security+, SSCP, or CCNA-Security)
- Proficient in Windows and Linux operating systems
- Experience working in a Cybersecurity Operations Center environment
- Familiarity with COTS technologies used in a Cybersecurity Operations Center
- Working knowledge of database and operating system security
- Solid understanding of current security principles, techniques, and protocols
- CSSP-IR certification (CySA+, CEH)
- Ability to function in a fast-paced environment and effectively manage multiple tasks simultaneously, coordinating resources and ensuring scheduled goals are met
- Excellent verbal and written communication skills
- Ability to effectively interact with various levels of senior management
- Strong problem-solving and decision-making capabilities—able to seek out information, evaluate, prioritize, and implement best practices
- Must be able to multi-task, work independently and collaboratively, share workloads, and adapt to shifts in project priorities
- Must have a current/active TS/SCI with Polygraph
- The person in this position must be able to remain in a stationary position 50% of the time.
- Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and/or virtual communication, which may involve delivering presentations.