Cyber Security Engineer III
Springfield, VA
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 135000.00 Per Hour
Job ID: 351836
Date Posted: 06/04/2026
Shortcut: http://jobs.systemone.com/cX5eYp
Job Title: Cyber Security Engineer
Location: Springfield, VA
Work Model: On site
Position Type: 6 month contract to hire
Clearance Requirement: Active TS/SCI with ability to obtain a polygraph
System One IT is seeking a Cyber Security Engineer to support a mission critical cyber operations program in Springfield, VA.
This role is focused on cyber incident response, investigation, containment, documentation, and coordination across Government and contractor teams. The Cyber Security Engineer will support the full lifecycle of security incidents, including triage, analysis, response actions, reporting, and recommendations to improve future defensive cyber operations.
The ideal candidate will have hands on experience in incident response, CSOC or SOC operations, digital forensics, malware analysis, indicator development, and cyber incident reporting within a DoD, Intelligence Community, or federal cyber environment.
Responsibilities
• Coordinate and support cyber incident response activities across Government and contractor teams
• Perform analysis and documentation of response actions, including containment, remediation, and recovery activities
• Support containment efforts such as IP blocks, domain blocks, account disablement, and other approved defensive measures
• Analyze host, server, network, memory, and system artifact data to support incident investigations
• Develop and identify indicators of compromise and share findings with appropriate cybersecurity stakeholders
• Support malware analysis, signature development, and adversary attribution efforts
• Build incident timelines, briefings, reports, and other documentation for stakeholders
• Document all actions and analysis in approved ticketing and reporting systems with sufficient detail for reconstruction of events
• Coordinate with CSOC Tier 1 and Tier 2 teams to remediate discrepancies and recommend actions to prevent recurrence
• Support Government directed Cyber Incident Response Team activities as required
• Develop and coordinate courses of action with Government and contractor stakeholders
• Conduct quality control reviews of closed CSOC tickets to ensure accurate analysis, categorization, documentation, and notification
• Provide input for daily and weekly CSOC reporting, including significant activity reports, operations updates, and status reports
Required Qualifications
• Active TS/SCI clearance
• Ability to obtain a polygraph
• Bachelor’s degree or 6 plus years of cybersecurity experience
• Experience supporting cyber incident response, CIRT, CSOC, SOC, DFIR, threat hunting, or defensive cyber operations
• Experience performing incident triage, investigation, containment, remediation, and reporting
• Familiarity with host, server, network, memory, or system artifact analysis
• Experience developing or identifying indicators of compromise
• Experience documenting incident timelines, analysis, actions taken, and recommendations
• Understanding of DoD cyber operations, incident handling, and reporting processes
• DoD 8570 / 8140 IAT Level II certification
• Ability to meet CSSP Incident Responder requirements
Preferred Qualifications
• Master’s degree
• IAT Level III certification
• Experience supporting NGA, DoD, Intelligence Community, or federal cybersecurity programs
• Experience with malware analysis or reverse engineering
• Experience with digital forensics tools and processes
• Experience with JIMS, ICMS, or similar Government incident reporting systems
• Experience developing scripts, tools, or automation to collect and analyze cyber incident data
• Certifications such as CySA+, GCIH, GCIA, GCFA, GCFE, CEH, CISSP, or similar
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
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