172 jobs for "Network Security Analyst"

Description

The Leidos Digital Modernization Sector has an opening for a Cyber Security Fusion Analyst on the DISA GSM-O II program supporting Dept. of War Defense Cyber Command (DCDC) 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 DOW 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 War 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 DOWIN.

• Collect analysis metrics and trending data, identify key trends, and provide situational awareness on these trends.

Required Qualifications:

• Active DOW TS/SCI Clearance and eligible for polygraph

• Bachelor's Degree in related discipline and 4 years of related experience. Additional experience may be accepted in lieu of degree.

• Security+ Certification (or other equivalent DOW 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 DISN and other DOW 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:

October 23, 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 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.

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 www.Leidos.com.

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 www.leidos.com/careers/pay-benefits.

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 LeidosCareersFraud@leidos.com.

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.

About Leidos

https://www.leidos.com/

Size: 10,000+ employees
Industry: Information Technology

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