Cyber Security Engineer III
System One
Job Description
Job Description
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. #M1 #LI-CS1
Ref: #856-Baltimore-S1
$155k - $185k
...to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML... ..., ownership, and execution over bureaucracy. Title: Cyber Security Engineer III Location: Washington, DC metro area – onsite/hybrid at...SuggestedFull timeWork experience placementRemote workFlexible hours$75.2k - $158.1k
Job Title: Endpoint Security Engineer III - NessusJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start:... ...cutting edge technologies, and propel your career within the Cyber realm! TCS is a long-term, CACI Prime contract with the...SuggestedLong term contractContract workWork experience placementLocal areaFlexible hours- ...trusted results to enable national security missions worldwide.Job DescriptionOverviewSOSi... ...is seeking a Penetration Tester III to support proactive cyber defense activities in alignment with... ...through coordination with security engineering, vulnerability management, and...SuggestedContract workWork at officeWorldwideMonday to FridayWeekend workAfternoon shift
$135k - $195k
...Lead Cyber Systems Engineer Systems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent... ...Technical (IAT) Level III Certification. Must hold and...SuggestedFull timeWork at officeFlexible hours3 days per week- ...seeking an experienced ForeScout Network Security Systems Administrator to support the... ...and security requirementsPerform network engineering and administration activities, including... ...of the start date, a DoD 8570 IAT Level III certification, such as:SecurityX (formerly...SuggestedFull timeContract workRemote work
$75.2k - $158.1k
Job Title: Cyber Security Operations Specialist III - Tier 3Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start... ...;Performs digital media analysis and malware reverse engineering on host, server, and network data as required to...Contract workFor contractorsWork experience placementWork at officeLocal areaFlexible hours$50 per hour
...plan, design, develop, validate and verify Cyber solutions across the lifecycle. Conduct... ...constrains, trade-offs and detailed system and security design as they pertain to the Cyber... ...CYBER DIRECTOR OR DELEGATECyber Security Engineer - Technical LeadAdvance your cyber‑security...Full timeTemporary workWork experience placementFor subcontractorCasual workWorldwideFlexible hours- ...technically proficient across a broad range of cyber mission areas. OneZero full-time... ...Solutions is seeking a Journeyman-level Cyber Security Engineer Penetration Tester to support the U.S.... ...Technical (IAT) Level II or Level III certification along with an offensive security...Full timeApprenticeship
$90.3k - $189.6k
Job Title: Cyber Security Engineering Specialist IV/ Firewall EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The Opportunity...Contract workWork experience placementLocal areaRemote workFlexible hoursWeekend workAfternoon shift$130k - $150k
...enterprise-wide policy, standards, and services that ensure secure, reliable, and innovative information technology (IT)... ...our team of outstanding professionals, apply today! The Cyber Security Analyst III supports this mission by supporting cybersecurity measures,...Full timePart timeFor contractorsWork experience placementWork at officeRemote work$86.6k - $181.8k
Job Title: Cyber Data Analyst Engineer IIIJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee... ..., national origin, disability, status as a protected veteran, or any other protected characteristic.Department:Cyber SecurityContract workWork experience placementLocal areaFlexible hoursNight shift- ...and trusted results to enable national security missions worldwide.Job Description*** This... ...is seeking a Cybersecurity Security Engineer III to support cybersecurity engineering activities... ...initiatives across enterprise cyber defense environments, including Zero Trust...Contract workWork at officeWorldwideMonday to FridayWeekend workAfternoon shift
$207k - $320k
As a Sr. Network Security Engineer III, you’ll provide hands-on expertise securing mission-critical networks for a high-visibility customer with the goal of making an impact across the federal government. Our team is responsible for designing, operating, and hardening complex...Full timeLocal areaImmediate start$180k - $220k
As Sr. Cyber Operations Engineer III (NOC/SOC), you’ll help strengthen the reliability and security of complex enterprise environments. You will bring together network operations, security operations, monitoring, automation, and incident response to improve situational...Full timeLocal areaNight shift$107.7k - $179.5k
Position Summary Our Deloitte Cyber team understands the unique challenges and opportunities businesses... ..., grow with confidence, and proactively manage to secure success.Work You’ll DoAs a Project Security Engineer III on the Cyber Identity Engineering team, you will.....Local area$86.6k - $181.8k
Job Title: Endpoint Engineer III Job Category: Information Technology Time Type: Full time... ...customer's GEOINT mission. The Endpoint Security Engineer will support our Intelligence... ..., deploying, and maintaining Enterprise Cyber Security Engineering requirements...Long term contractFull timeContract workWork experience placementLocal areaFlexible hours- ...tested leadership, and trusted results to enable national security missions worldwide.Job Description*** This position is... ...contingent upon contract award ***OverviewSOSi is seeking a Cyber Intelligence Analyst III to support cyber threat intelligence activities in...Contract workCasual workWork at officeRemote workWorldwide
$69.4k - $158k
Cyber Security EngineerThe Opportunity: Are you looking for an opportunity to advance your experience in cyber security, networking, and systems engineering that will support the United States Army? As a systems security and network security engineer, you can identify...Full timeContract workPart timeLocal areaRemote work$154.05k - $278.48k
...exciting opportunity for an Cybersecurity Engineer SME in our Intel Sector's (IS) Analysis... ...Our talented team is at the forefront in Security Engineering, Computer Network Operations... ...systems, networks, and infrastructure from cyber threats and vulnerabilities. This role supports...Full timeImmediate startFlexible hours$134.5k - $265.1k
Position Summary As a Cyber Forward Deployed Engineer (FDE), you will work at the intersection of... ...an Engineering and Product Engineer III on the Cyber Engineering team, you will... ...cybersecurity concepts (e.g., application security, cloud security, identity, detection...Local areaVisa sponsorship- ...Cyber Network Forensic Analyst III, TS/SCI Raytheon Technologies provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based...Immediate startRemote work
$86.8k - $135.63k
Responsibilities *This is for a potential upcoming opportunity. Position Overview The Cyber Security Engineer (CSE3) provides cybersecurity engineering and Risk Management Framework (RMF) support to the PMS 339 Surface Training Systems Program Office . This role...Full timeContract workPart timeInterim roleWork at officeLocal areaRemote work- ...Role: Cyber Security Engineer IV Location: Washington, DC Duration: 6-months (Always possible for extension) Pay Rate: $100/hr on W2 The client Security Engineering team empowers the Global Information and Content Security (GICS) teams by supporting the Security...Contract work
- The Senior Cyber Security Engineer protects the company's systems and information by designing, building, and supporting complex security solutions while driving the organization's compliance posture against applicable industry frameworks and client requirements. This role...Full timeTemporary work
- OverviewAbacus Technology is seeking a Cyber Security Engineering SME to provide security and test and evaluation support for the RDT&E Engineering and Technical Support (RETS) program. This is a full-time position. ResponsibilitiesServe as the Information System Security...Full time
$82.6k - $162.8k
Position Summary Our Deloitte Cyber team understands the unique challenges and opportunities... ...confidence, and proactively manage to secure success.Recruiting for this role ends on 12/31/2026.Work you'll doAs a Security Engineer on the Deloitte Cyber team, you will be...Local areaVisa sponsorship$105.4k - $207.8k
Position Summary Cyber Palo Alto Networks Security Engineer/ Senior Consultant, Strategy, Growth, and TransformationDeloitte’s Cyber business is passionate about making an impact with lasting change. Delivering our industry leading services requires fresh thinking...Work experience placementLocal areaRemote work$154.05k - $278.48k
...exciting opportunity for an Cybersecurity Engineer SME in our Intel Sector's (IS) Analysis... ...Our talented team is at the forefront in Security Engineering, Computer Network Operations... ...systems, networks, and infrastructure from cyber threats and vulnerabilities. This role supports...Local areaImmediate startFlexible hours$175.2k
...Req ID: 42114 Summary Sr. Cyber Security Engineer Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employers core...$86.6k - $181.8k
Job Title: Network Communications Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required... ...-area (LAN) and campus-area (CAN) networks across multiple security domains. Focus will be on COMSEC account management, and cryptologic...Full timeContract workWork experience placementLocal areaFlexible hoursWeekend workAfternoon shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Cyber Security Engineer III. Be the first to apply!
- cyber Springfield, VA
- IT cyber security Springfield, VA
- senior cybersecurity engineer Springfield, VA
- cybersecurity specialist Springfield, VA
- cyber security Springfield, VA
- cybersecurity software engineer Springfield, VA
- cybersecurity Springfield, VA
- remote cyber security Springfield, VA
- cybersecurity certificate Springfield, VA
- cyber security incident responder Springfield, VA




