Cyber Security SME
Apex Systems Inc
Job#: 3033203 Job Description: Sr Cyber Security Engineer (SME) Candidates must be able to obtain and/or maintain a Department of Defense Top Secret Security Clearance as a condition and continuation of employment Description A leading systems integrator is seeking a highly qualified Cyber Security Subject Matter Expert (SME) to serve as the Chief Cyber Security Engineer supporting a large-scale digital infrastructure network design and deployment program for the U.S. Department of Defense. This individual will act as the technical authority and cybersecurity strategist, responsible for ensuring compliance and securing all aspects of the network architecture. The role involves designing and implementing robust, scalable, and compliant cybersecurity solutions to protect sensitive data, defend against evolving cyber threats, and ensure the integrity, availability, and resilience of mission‑critical network infrastructure. Responsibilities include integrating advanced security technologies into network designs, establishing policies for access control and data protection, and ensuring alignment with DoD, NIST, and other applicable cybersecurity frameworks. The Chief Cyber Security Engineer will also serve as a trusted advisor, collaborating closely with cross‑functional engineering teams, mentoring cybersecurity professionals, and providing oversight of security testing, monitoring, and incident response activities to support a secure and resilient deployment. This position is remote with up to 25% travel. Required Qualifications & Experience Master’s degree in Cyber Security, Cyber Engineering, or a related technical field with 8+ years of relevant experience OR Bachelor’s degree in Cyber Security, Cyber Engineering, or a related technical field with 10+ years of relevant experience. Demonstrated technical leadership in cybersecurity architecture, design, and deployment efforts. Proven ability to collaborate across multidisciplinary engineering teams and provide senior‑level technical guidance. Extensive experience designing and implementing cybersecurity solutions for complex networked environments. Strong knowledge of cybersecurity compliance frameworks and standards applicable to high‑security environments. Desired Qualifications & Experience Experience supporting Network Operations Centers (NOC) and/or Security Operations Centers (SOC). Familiarity with large‑scale government acquisition, test, and operational environments. Experience with carrier‑class networks, cloud infrastructure and operations, and cross‑domain solutions. Professional cybersecurity certifications such as CISSP, CySA+, CISM, and/or CASP+. #J-18808-Ljbffr
- ...Role Join our growing team supporting customer missions as a SME Network Engineer in Chantilly, Virginia . Required Qualifications... ...(eg. Linux as a router) and locking them down to meet cyber security standards. Experience configuring and hardening Linux OS in both...SuggestedWeekend work
$112k - $179k
...Cyber Incident Response Team (CIRT) Lead (SME) Job Locations: US-VA-Herndon Requisition ID: 2026-165017 Position Category: Cyber Security Clearance: Top Secret/SCI Responsibilities We are seeking a highly skilled and innovative Cyber Incident Response Team (CIRT) Lead...SuggestedContract workShift work- ...architecture/engineering experience with at least 7 years in senior or SME network roles supporting enterprise or DoD environments. Deep... ...in routing/switching, WAN/LAN design, SD‑WAN concepts, VPN and secure transport architectures, load balancing, and multi‑domain (NIPR/...SuggestedNight shift
$110k - $160k
...feedback loop to development. Work as a SME to review user metrics, system health,... ...Enterprise Services to ensure compliance with security services and applications.... ...include IT Infrastructure & Cloud Services, Cyber Security, Software Integration & Development...SuggestedFull timePart timeWork experience placement- ...Overview We are actively seeking Cyber Security Systems Engineers to support the customer’s Division level A&A projects which has several Branches within it. The A&A projects are therefore at various levels within the customer organization depending upon which team is...SuggestedFor contractorsInterim roleWork at office
- ...Gritter Francona is looking for a Cyber Defense Forensics Lead to support a potential project with the Department of Homeland Security. The Forensics Lead will manage and direct the... ...Serve as the team's Subject Matter Expert (SME) in evidence preservation, chain of custody...Temporary work
- ...Description Dark Wolf is looking for a Mid-Level DevSecOps SME / Information System Security Engineer (ISSE) to join a collaborative, dynamic team in... ...enjoyment in working directly with customers to improve cyber security posture ~ Experience authoring and maintaining...Full timeFor contractors
- ...Title: Cybersecurity Analyst Location: Oakton, VA Department: Cyber Security Services Reports To: Management FLSA Status: Full Time/Non-exempt... ...Compliance Assessment Solution (ACAS) Subject Matter Expert (SME), ensuring complete network visibility, verifying directive...Full timeWork at officeLocal area
- ...years of relevant technical experience may be considered in lieu of degree System administration, network engineering, and/or network security background Experience conducting analysis on raw log data (e.g., Tier III level support) Experience with data aggregation and...
- ...confidentiality, integrity and availability. Responsible for performing security focused services to improve security posture. Conduct test and... ...Degree and 3 years of relevant work experience. Experience in cyber security with a focus on red teaming, penetration testing, or...Work experience placement
- ...Overview Abile Group has an exciting and challenging opportunity for a Senior Cloud Engineer on along termcontract providing Cyber Security services supporting an Intelligence Community customer. All the personnel on the team will work together to provide security services...Work at office
- ...identifying configurations, analyzing traffic patterns, and reviewing security measures. Based on the assessment, the engineer will design a... ...accordance with Public Law 88-352 Job Details Job Family: IT, Cyber Security, Network Systems Job Function: Network Engineer Pay...Local areaRemote workFlexible hours
$104.8k - $192.2k
...cybersecurity risks and regulatory pressures. Identity—both human and non-human—is at the core of every enterprise. As a Digital Identity SME, you will help clients enhance user experience, reduce risk, and increase operational efficiency by designing and implementing robust...Work experience placementSummer holidayFlexible hours- ...Senior Cyber Engineer (TS/SCI w/CI Poly Required)Skip to main contentThis site uses cookies, as explained in our Privacy Policy. If... ...years. As trailblazers in defense-grade, high assurance cyber security, we have been leading the way in developing and delivering innovative...Permanent employmentFull timeFor contractorsLocal areaRemote workMonday to FridayFlexible hours
- ...IT Security Specialist LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship... ...Security Specialist, Security Administrator, IT Risk Analyst, Cyber Defense Specialist, Security Operations Center (SOC) Analyst, Vulnerability...Temporary workFor contractorsImmediate startFlexible hours
- Cyber Security SME ACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITION This individual is the Cyber Security/Computer and Network Defense Subject Matter Expert (Subject Matter Expert), concentrating on overall technical and operational effectiveness...
- ...Amatriot is looking for a Capabilities Developer to support Rapid Application Development (RAD) for both offensive and defensive cyber security tools, network topologies, and secured networks. Personnel hired will leverage red and blue team operational expertise to...Contract work
- ...Network Security Analyst LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship... ..., Incident Response Analyst, Security Monitoring Analyst, Cyber Defense Analyst, Infrastructure Security Analyst, etc. DEGREE (...Temporary workFor contractorsImmediate startFlexible hours
- ...comes from people who feel supported and valued. We are currently seeking a highly experienced Cyber Security Systems Engineerat the Manager or Subject Matter Expert (SME) levelto support the security accreditation and assessment of multiple applications. The ideal...Work experience placementFlexible hours
- ...career, and customer-oriented Senior Systems Engineer to join our team in Chantilly, VA. You will help troubleshoot and fix a cyber security testing environment while developing its replacement, leveraging your strong technical background to support the improvement and...Work experience placementWork at officeLocal area
- ...Overview Information Systems Security Engineer Chantilly, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact... ...people work? Are you interested in helping to protect our nation’s cyber interests? Join our growing team supporting customer missions...
- ...Company Description Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of operational experience to deliver exceptional value to communities and the...Full time
- ...building out VPCs with Linux VMs, configuring them as network appliances (eg. Linux as a router), and locking them down to meet cyber security standards Experience configuring and hardening Linux OS in both cloud and physical environments Experience configuring and...Local areaWeekend work
- ECS is seeking a SOC CTIC Lead - SME to support the Army National Guard’s cybersecurity... .... This role involves conducting cyber incident investigations, performing malware... ...Citizenship as well as eligibility for a Secret Security Clearance. Applicants will join a team...Contract work
$131.6k - $210.3k
...Job Description Information security is an integral part of Visa's corporate culture. It is essential to maintain our position as an industry... ...incident response teams to defend the company against evolving cyber threats. If you would like to join a company where security is...Work experience placementWork at officeLocal area- ...Herndon, VA Join our growing team supporting customer missions as a SME Network Engineer in Herndon, Virginia . Required Qualifications... ...policies and rules Monitor network traffic for potential security threats and proactively address vulnerabilities Collaborate with...
- ...safeguarding our information systems. The successful candidate will be responsible for identifying vulnerabilities, implementing security measures, and responding to incidents. Key Responsibilities Conduct regular security assessments and audits of the organisation's...
$120k - $150k
...IC), and the intel cycle. Familiarity and experience with the Department of Homeland Security (DHS). Familiarity and experience with Government risk management frameworks (RMF) and cyber security authorization processes Familiarity and experience with Microsoft...Full timePart timeWork experience placementLocal area- ...MANTECH seeks a motivated, career and customer-oriented Cyber Incident Response Analyst to join our team in McLean, Virginia .... ...degree in a technical field and 3+ years of experience in a cyber security related role or High School Diploma and 7+ years of experience...Shift workNight shiftDay shiftAfternoon shift
- ...Cybersecurity Analyst to join our team. The ideal candidate will have at least 1 year of experience working within a Cyber Incident Response Team, Security Operations Center, or a similar cybersecurity role. The position requires a strong understanding of cybersecurity...Shift workNight shiftAfternoon shift
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