Incident Response Engineer - TS/SCI
Dunhill Professional Search
Incident Response Engineer-JourneymanIntermittent Telework: Arlington, VATS/SCI RequiredPay Range: $125K - $142KJob Description: The Incident Response Engineer Journeyman is a mid‑level cybersecurity professional responsible for detecting, investigating, and remediating security incidents affecting mission‑critical systems in a highly regulated government environment. This role analyzes security alerts, leads triage activities, and coordinates containment and recovery actions with operations, IT, and mission stakeholders. The engineer also contributes to threat hunting, maintains incident response playbooks and tooling, and produces clear reports and metrics to drive continuous improvement of security operations.Key ResponsibilitiesPerform initial detection, triage, and validation of security events from SIEM, endpoint, network, and cloud security tools to distinguish true incidents from false positives and prioritize response.Lead or support containment, eradication, and recovery efforts for cybersecurity incidents, coordinating with system owners and operations teams to minimize impact on mission‑critical systems.Conduct host and network forensics, log analysis, and malware analysis to determine root cause, attack path, and data exposure, preserving evidence as needed.Maintain and enhance incident response runbooks, playbooks, and standard operating procedures that align with organizational policies, regulatory frameworks, and evolving threat landscapes.Participate in proactive threat hunting using security telemetry, threat intelligence, and behavioral analytics to identify stealthy or emerging threats in enterprise networks.Configure, tune, and maintain incident response tooling and SIEM rules to improve detection fidelity, reduce noise, and enhance visibility across regulated environments.Produce clear incident reports, metrics, and post‑incident reviews documenting timeline, impact, corrective actions, and recommendations for control improvements.Collaborate with security training and awareness functions to support tabletop exercises, incident simulations, and communications that reinforce response readiness.Required QualificationsBachelor’s degree in Cybersecurity, Information Technology, Computer Science, or related field, or equivalent relevant experience.Typically 5–7 years of experience in security operations and incident response with hands‑on exposure to forensics and SIEM in government or similarly regulated environments.Demonstrated experience triaging security alerts, conducting incident investigations, and supporting containment and recovery activities.Hands‑on experience with SIEM platforms and endpoint or network security tools used for incident detection and response.Proven ability to perform log analysis, basic malware analysis, and evidence preservation to support reporting and potential regulatory needs.Active TS/SCI security clearance U.S. citizenship, as required to support a federal IT environment.Preferred QualificationsExperience with leading SIEM and incident response tools such as Splunk, Elastic, QRadar, or similar platforms.Industry certifications such as GCIA, GCFA, GCIH, or equivalent incident response/forensics credentials.Experience handling data spills or incidents involving sensitive or classified information under formal response frameworks.Background participating in threat hunting operations and developing or refining incident response playbooks. #cjpost
- ...firm is seeking a Cloud Forensics Analyst to support onsite incident response to cyber-attacks. The role involves acquiring and analyzing computer... ...extensive experience in cyber forensics and hold an active TS/SCI clearance. The position offers substantial training and...Suggested
$100k - $125k
A cybersecurity solutions provider is seeking an Incident Response Expert III in Arlington, VA. This role involves serving as a subject matter... ...response, requiring strong analytical skills and an active TS/SCI clearance. Candidates should have over 8 years of experience...Suggested- ...capabilities, identify operational risks and process gaps, support incident-response, and translate complex cyber information into actionable... ...site work within 50 miles of McLean, VA and the candidate must hold TS/SCI with CI Poly. #J-18808-Ljbffr Ops Tech Alliance, LLC.Suggested
$174k - $238k
...an experienced Staff Site Reliability Engineer to join Okta's Federal SRE team for the... ...engineering.Security Clearance: Active U.S. TS/SCI clearance with Full Scope Poly... ...available customer-facing systems.Lead incident response efforts and drive post-incident reviews...SuggestedLocal areaWorldwideFlexible hours- ...as a Cyber Security Project Engineer supporting customer activities... ...and centers. We have responsibility to ensure operational IT capabilities... ...and responding to security incidents across enterprise and cloud... ...Security Clearance Level : TS/SCI with active polygraph...Suggested
$97.7k - $162.8k
...As an Analytics and Insights Engineer II on the Momentum Financials... ...Software Support team, you will be responsible for: Provide end-user support... ...and resolve user inquiries, incidents, and system issuesEscalate... ...: Bachelor’s degree Active TS SCI clearance with...Local area$120k - $165k
...Arlington, VA (Pentagon) Clearance Required: TS/SCI minimum (US Citizen) Employment Type:... ...in delivering advanced analytic, data engineering, and technology integration solutions... ...(OUSW(R&E)). This senior-level role is responsible for the analysis, assessment, and...Full timeWork at office- ...deep technical ownership and customer-facing engineering: you'll define how we measure reliability, lead incident response in a constrained environment, and serve as the... ...Must possess and be able to maintain a TS/SCI security clearance with appropriate polygraph...Full timeWork at officeRemote workFlexible hours
- ...Arlington, VA (Pentagon) Clearance Required: TS/SCI minimum (US Citizen) Employment Type:... ...in delivering advanced analytic, data engineering, and technology integration solutions... ...). *U.S. Citizenship is Required.*Key Responsibilities:Executive Technical Leadership: Act as...Full timeContract workFor contractorsWork at office
- ...seeking a hands‑on Systems Engineer (SME) with deep expertise across... ...end‑to‑end. Key Responsibilities Perform hands‑on systems engineering... ...hardening Monitoring & Incident Response - Proficiency with... ...and migration plans Eligible TS/SCI with FS Poly Desired Knowledge...
$100k - $110k
Must have an active TS/SCI to be consideredSalary $100,000 - 11... ...,000The Backup and Recovery Engineer - Journeyman oversees enterprise... ...comprehensive coverage.Key Responsibilities• Implement and administer... ...frameworks (e.g., change management, incident/problem management).$147k - $210k
Systems Engineer needed for a Direct Hire opportunity with SOC’s client to work onsite in... ...Melbourne, FL. *Candidate must hold an active TS/SCI Clearance to be considered for this... ...or design of processes and tools.Responsible for articulating and capturing the architecture...- ...TitleLead Cyber Defense Incident ResponderClearanceTS/SCI (active, required)LocationArlington... ...Information (TS/SCI) and Special Access Program... ...SAP) networks.Duties and Responsibilities- Lead a small team of... ...operational abilities.- Engineer advanced detection alerting...Weekend work
$130k - $145k
...SECURITY CLEARANCE REQUIREMENT: TS, WITH SCI ELIGIBILITY ***POSITION REQUIRES US CITIZENSHIP... ...Title: Information System Security Engineer (ISSE) Mid Location: Washington DC... ...to carry out the following duties and responsibilities: Services to support Information...Full time- ...looking to fill a Windows Systems Engineer and Administrator position... ...environment. This role is responsible for interacting with other administrators... .... Duties include examining incidents and problems and suggesting... ...) Clearance Active TS/SCI clearance Active CI...Shift work
- ...Technology is seeking a Senior Systems Engineer to support Research and Development (R... ...(MDA) for US Naval Missions. Responsibilities The Systems Engineer will lead the development... ...U.S. citizenship and an active DoD TS/SCI clearance. The position requires the...Temporary workImmediate start
$117.2k - $176.7k
...Role:Join our Site Reliability Engineering (SRE) team, where you'll... ..., you'll detect and resolve incidents fast, drive automation, and... ...role is based in Herndon, VA.Responsibilities:Monitor customer-facing services... ...position requires a USA TS/SCI with Polygraph security access...Full timeWork experience placement$133k - $190k
Site Reliability Engineer needed for a full time opportunity with SOC's direct client based... ...must hold and possess an Active DOW TS/SCI security clearance to be considered for... ...national security missions. Job Responsibilities:Develop, maintain, and troubleshoot automation...Full time- ...three opportunities for Expert Systems Engineers to support an Intelligence Community customer... ...missions and drive lasting value. Responsibilities Perform tasks similar to the... ...requirements for stand-alone devicesActive TS/SCI with polygraph requiredAt least a...Full timeContract work
- ...Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) Transform... ...and Milestones (POA&Ms) implementation responses or mitigations, as well as provide all required... ...profile (e.g., High Value Asset (HVA), TS (SCI), Secret, etc.) Provide audit liaison...For contractorsInterim role
- ...Applicants must have an Active Top Secret Security Clearance with SCI Access (TS/SCI) About the Role We are seeking a Cloud Systems Engineer to join our growing team. In this role, you will be responsible for designing, deploying, and managing cloud-based...
$89.6k - $204k
Systems Engineer (Entry Level to SME) TS/SCI with Poly REQUIRED Position Description CGI Federal has an exciting opportunity for Systems... ...and maintenance of IT or physical hardware systems. Responsibilities include monitoring system performance, troubleshooting...Work at officeLocal area- S2i2 is seeking a Lead Cyber Defense Incident Responder in Arlington, VA on-site to lead a skilled team defending TS/SCI and SAP environments. The role demands hands-on threat... ...threat intelligence, and advanced incident response capabilities in highly secure networks. You...
- ...Identity, Credential and Access Management Systems Engineer in Arlington, VA. The ideal candidate will have a TS/SCI clearance, a background in information technology, and experience with ForgeRock. Responsibilities include deploying and maintaining identity access management...Full time
$150k - $250k
Software Systems Engineer - TS/SCI w/ FS Poly 3 days ago Be among the first 25 applicants Get AI-powered advice on this job and more... ...external enterprise tools for analysis and authorizations Key Responsibilities Design, develop, test, debug, and deploy new cloud...Full time- ...into opportunity a Systems Engineer with GDIT. A career in enterprise... .... Desktop system management responsibilities involving account monitoring... ...systems and implements incident response procedures during incidents... ...Clearance Level: Active TS/SCI clearance with Polygraph...Work at officeLocal area
- ...A technology service provider in Washington, DC is looking for a skilled Field Support Engineer. The role demands an active TS/SCI clearance and involves troubleshooting technical issues and conducting customer training. The ideal candidate will have a BS or equivalent...
$74.8k - $130.9k
...looking for an amazingly talented system Test Engineer to join our team! You will be part of... ...solutions line of business. You will be responsible for manual and automated test execution,... ...network packet analysis toolAn active TS/SCI security clearance is required for this...Full timeFlexible hours- ...problems. This is a hands-on engineering role with real production ownership... .... You're unafraid to call an incident when the signal warrants it.... ...Arlington team. Incident Response & Debugging Diagnose... ...role requires an active TS/SCI security clearance with full-...Full timeContract workWork at officeRemote workFlexible hours
$148.8k - $306.5k
...Services in Arlington, Virginia, is seeking a Systems Engineer to support their Client platform. Responsibilities include translating customer requirements into... ...experience in systems engineering, along with an active TS/SCI security clearance. Competitive compensation range...Local area
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