Incident Response Analyst

Description

Leidos is seeking an experienced Incident Response Analyst to support the Defense Manpower Data Center (DMDC) CyberPRIMES program . Leidos is a major partner on the contract and will provide a substantialportionof the cybersecurity workforce supporting the Defense Human Resources Activity (DHRA) and DMDC.

The Incident Response Analyst will investigate and respond to cybersecurity events and incidents affecting DHRA systems and networks. This position supports the full incident-response lifecycle—from detection and analysis through containment, eradication, recovery, and post-incident activities—and works closely with Security Operations Center analysts, Cybersecurity Service Providers, system owners, and technical teams during active cybersecurity incidents.

Work Locations:

• Mark Center, Alexandria, Virginia

• Department of Defense Center – Monterey Bay, Seaside, California

Clearance: Active Secret security clearance required at time of consideration. U.S. Citizen is a must.

Mission Environment

DMDC supports the Defense Human Resources Activity within the Office of the Under Secretary of Defense for Personnel and Readiness (OUSD(P&R)) and maintains the Department of Defense’s largest and most comprehensive central repository of personnel, manpower, casualty, pay, entitlement, personnel security, identity, readiness, training, and related data.

The DHRA Information Technology (IT) environment includes approximately 15,000 network and endpoint devices supporting more than 600 Government-Off-The-Shelf (GOTS) applications and approximately 100 Risk Management Framework (RMF) authorization boundaries managed through the Enterprise Mission Assurance Support Service (eMASS). Incident-response operations support both the Non-classified Internet Protocol Router Network (NIPRNet) and Secret Internet Protocol Router Network (SIPRNet) environments. Analysts must be able to move quickly from security-event identification into investigation and coordinated response whilemaintainingaccuraterecords, preserving evidence, and keeping Government stakeholders informed.

Primary Responsibilities:

• Support preparation, detection, analysis, containment, eradication, recovery, and post-incident activities for cybersecurity events and incidents.

• Investigate cybersecurity incidents affecting NIPRNet and SIPRNet environments.

• Perform proactive security monitoring and analysis toidentifypotential intrusion attempts and other malicious activity.

• Analyze security information from Security Information and Event Management (SIEM) platforms, endpoint-security capabilities, firewalls, Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), web-security systems, antispam capabilities, malware-prevention systems, and related enforcement technologies.

• Recognize potential intrusion attempts, malicious activity, or other cybersecurity conditions requiring immediate investigation or mitigation.

• Assess cybersecurity events todeterminescope, potential impact, affected systems, andrequiredresponse actions.

• Support containment and mitigation of active cybersecurity threatsin accordance withapproved Government procedures.

• Coordinate eradication and recovery activities with system owners, administrators, network personnel, cybersecurity teams, and other technical stakeholders.

• Collect and preserve technical evidence associated with cybersecurity events and incidents.

• Maintain complete andaccurateincident records, timelines, supporting evidence, investigative findings, response actions, and status information.

• Develop and contribute to required cybersecurity event and incident reporting.

• Coordinate incident-response activities with Security Operations Center analysts, Cybersecurity Service Providers (CSSPs), system owners, technical teams, and Government stakeholders.

• Support escalation of significant cybersecurity events and incidentsin accordance withestablished procedures.

• Providetimelystatus updates during active investigations and incident-response activities.

• Support post-incident analysis and lessons learned toidentifyopportunities to improve monitoring, detection, response procedures, and defensive capabilities.

• Participate in after-hours incident response when assigned and meet the contract-required one-hour recall requirement.

Basic Qualifications:

• Bachelor’s degree and 5 or more years of relevant cybersecurity experience. Specific experience, education and training may be considered in lieu of degree.

• Experience supporting cybersecurity incident response, Security Operations Center operations, cyber defense, or security-event investigation.

• Experience performing analysis of cybersecurity events and determiningappropriate responseor escalation actions.

• Experience supporting incident containment, eradication, recovery, and post-incident activities.

• Experience monitoring and analyzing enterprise cybersecurity tools and security telemetry.

• Experience documenting incident timelines, investigative findings, evidence, response actions, and status.

• Experience coordinating cybersecurity incidents across technical teams and stakeholder organizations.

• Working knowledge of network, endpoint, and enterprise cybersecurity monitoring concepts.

• Ability to recognize potential intrusion activity and support rapid mitigation of cybersecurity threats.

• Ability to communicate clearly during active cybersecurity incidents andmaintainaccuratedocumentation under time-sensitive conditions.

• Ability to support after-hours incident response and the required one-hour recall when assigned.

• U.S. Citizenshiprequired.

• Active Secret security clearancerequired.

Preferred Qualifications:

• Experience supporting cybersecurity incident response within Department of Defense or Federal environments.

• Experience responding to incidents in both unclassified and classified network environments.

• Experience with Security Information and Event Management platforms and enterprise security-monitoring capabilities.

• Experience analyzing endpoint-security,firewall, Intrusion Detection System, Intrusion Prevention System, web-security, antispam, or malware-prevention data.

• Experience supporting evidence collection and preservation during cybersecurity investigations.

• Experience coordinating incident response with Security Operations Center personnel, Cybersecurity Service Providers, system owners, network teams, and other technical organizations.

• Experienceoperatingin a 24x7 cybersecurity operations environment or supporting after-hours incident response.

• Familiarity with Department of Defense cybersecurity incident-response processes and requirements.

• Familiarity with DHRA, DMDC, or comparable Department of Defense enterprise environments.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

September 2, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission ( .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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REQNUMBER: R-00191332-OTHLOC-PL-2D5022

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.