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 12 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
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:July 24, 2026For 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.
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.
Skills Required
- Active DoD TS/SCI clearance and eligible for polygraph
- Bachelor's degree in related discipline or equivalent experience with 12 years related experience
- Security+ Certification or other equivalent DoD 8570 Level II certification
- In-depth knowledge of network and application protocols, cyber vulnerabilities, exploitation techniques, and adversary methodologies
- Proficiency with datasets, tools, and protocols supporting analysis (passive DNS, VirusTotal, Recorded Future, TCP/IP, OSI, WHOIS, enumeration, threat indicators, malware analysis results)
- Proficiency with network monitoring and detection capabilities (netflow, custom application logs, signature-based IDS, full packet capture/PCAP)
- Proficiency with analysis tools such as Wireshark, Splunk, ArcSight, and other SIEMs
- Experience with open-source and commercial vendor portals, services, and platforms for threat and vulnerability insight
- Experience with DISN and other DOD networks
- Skilled in building extended cyber security analytics (trends, dashboards)
- Demonstrated experience briefing Senior Executive Service and General Officer/Flag Officer leadership
- Experience in intelligence-driven defense and/or cyber Kill Chain methodology
- IAT Level III and IAM Level II/III certifications
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
