Cyber Security Fusion Analyst

Leidos; Fort Meade (MD); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos Defense Group seeks a Cyber Security Fusion Analyst to support GSM-O II at Fort Meade. You will perform incident handling, threat discovery, and log/PCAP analysis to detect adversaries and guide mitigations.

You’ll help build Cyber Fusion SOPs and frameworks aligned with DoD directives, delivering risk assessments and actionable security insights. Candidates should hold an active TS/SCI clearance, a related bachelor's degree, and 8+ years of experience with networks, SIEMs, and threat

Qualifications

• Active DoD TS/SCI clearance required and eligible for polygraph.
• Bachelor's degree in a related discipline with 8+ years of experience.
• Strong knowledge of networks, protocols and cyber threats.
• Experience with SIEMs and threat intelligence tools.

Responsibilities

• Perform incident handling, event triage, and threat analysis.
• Develop SOPs and a Cyber Fusion Framework aligned to DoD guidance.
• Identify threats, propose mitigations, and improve security posture.
• Analyze logs, PCAP, and threat intel to guide prioritized plans.
• Provide risk assessments and support countermeasure recommendations.

Skills

DoD TS/SCI Clearance

Security+ / DoD 8570 II

Network protocol knowledge

Threat actor methodologies

PCAP/NetFlow analysis

Wireshark

Splunk

Arcsight

Education

Bachelor's Degree in related discipline

Tools

Wireshark

Splunk

Arcsight

Passive DNS

VirusTotal

Recorded Future

Job description

The Leidos Defense Group has an opening for a Cyber Security Fusion Analyst on the DISA GSM-O II program supporting Joint Force Headquarters DODIN at Fort Meade.

Position Summary

GSM-O II provides network operations and cyber defense support to the Defense Information Systems Agency (DISA) in support of the DOD and COCOMs. In this role, you will provide support with incident handling, triage of events, network analysis, threat detection, trend analysis, metric development, and vulnerability information dissemination.

Primary Responsibilities

• Leverage an array of network monitoring and detection capabilities (including netflow, custom application protocol logging, signature-based IDS, and full packet capture (PCAP) data) to identify cyber adversary activity.
• Support the development of Cyber Fusion standard operating procedures (SOPs), and Cyber Fusion Framework and Methodology based on industry best practice and department of defense instruction, guidance, and policy.
• Identify threats to the enterprise and provide mitigation strategies to improve security, and reduce the attack surface.
• Perform analysis by leveraging serialized threat reporting, intelligence product sharing, OSINT, and open source vulnerability information to ensure prioritized plans are developed.
• Analyze and document malicious cyber actors TTPs, providing recommendations and alignment to vulnerabilities and applicability to the enterprise operational environment.
• Discover adversary campaigns, anomalies and inconsistencies in sensor and system logs, SIEMs, and other data.
• Identify, investigate and rule out system compromises, with the capacity to provide written analytic summaries and attack life cycle visualizations.
• Provide risk assessments and recommendations based on analysis of technologies, threats, intelligence, and vulnerabilities.
• Offer recommendations to adjust enterprise or tactical countermeasures to for threats impacting the DODIN.
• Collect analysis metrics and trending data, identify key trends, and provide situational awareness on these trends.

Required Qualifications

• Active DoD TS/SCI Clearance and eligible for polygraph Bachelor's Degree in related discipline and 8 years of related experience.
• Additional experience may be accepted in lieu of degree Security+ Certification (or other equivalent DoD 8570 Level II certification)
• In-depth knowledge of network and application protocols, cyber vulnerabilities and exploitation techniques and cyber threat/adversary methodologies.
• Proficiency with datasets, tools and protocols that support analysis (e.g. passive DNS, Virus Total, Recorded Future, TCP/IP, OSI, WHOIS, enumeration, threat indicators, malware analysis results, Wireshark, Splunk, Arcsight etc.).
• Experience with various open-source and commercial vendor portals, services and platforms that provide insight into how to identify and/or combat threats or vulnerabilities to the enterprise.
• Proficiency working with various types of network data (e.g. netflow, PCAP, custom application logs)

Preferred Qualifications

• Experience with the DISN and other DOD Networks.
• Skilled in building extended cyber security analytics (Trends, Dashboards, etc.).
• Demonstrated experience briefing Senior Executive Service (SES) and General Officer/Flag Officer (GO/FO) leadership.
• Experience in intelligence driven defense and/or cyber Kill Chain methodology.
• IAT Level III and IAM Level II+III Certifications GSMO

About Leidos

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: October 14, 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 $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and 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.

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 here.

Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

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.

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 $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.