CSWO

Leidos; Washington (District of Columbia); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos' Digital Modernization sector is seeking a Cyber Security Watch Officer (CSWO) to join the GSM-O effort at the Pentagon. This role supports Day Shift with potential shift modifications based on program needs, and requires flexibility for weekend work as we support 24/7 operations.

The CSWO will oversee cyber defense operations, deliver daily situational awareness briefings, and act as the Defensive Cybersecurity SME during continuous operations.

Qualifications

• Bachelor's degree and 3+ years of professional experience; additional military or relevant work experience may be considered in lieu of a degree.
• CND experience (Protect, Detect, Respond and Sustain) within a Computer Incident Response organization.
• Understanding the life cycle of network threats, attacks, attack vectors and methods of exploitation; knowledge of intelligence-driven defense and/or Cyber Kill Chain.

Responsibilities

• Support the Joint Network Operation and Support Center (JNOSC) Battle Captain and Cyber Center Security Chief with all cyber defense and network assurance issues.
• Oversee all network defense operations, and be familiar with the operations process flow and execution.
• Maintain awareness of directives, orders, alerts, and messages; prepare and deliver daily situational awareness and operational update briefings.
• Serve as Defensive Cybersecurity SME during 24x7 operations.

Skills

Incident response

24x7 operations

Threat analysis

Education

Bachelor's degree

Tools

Security+ CE

Job description

Description

Leidos' Digital Modernization sector is seeking a Cyber Security Watch Officer (CSWO) to join the GSM-O effort at the Pentagon.This position will be supporting Day Shift.

Applicants must have a minimum Secret clearance with ability to obtain TS/SCI and must be available for shift work (including weekends), which may vary based on program needs and manning levels. We support 24/7 operations and while shift assignments are usually static, they are based on both preference and contract requirements, so we ask our team members to remain flexible to potential shift modifications to meet minimum staffing requirements. All new hires will spend a brief ramp-up period on weekday day shift to start.

Primary Responsibilities

• Support the Joint Network Operation and Support Center (JNOSC) Battle Captain and Cyber Center Security Chief with all cyber defense and network assurance issues.


• Oversee all network defense operations, and be familiar with the operations process flow and execution.


• Maintain awareness of all pertinent directives, orders, alerts, and messages; prepare and deliver daily situational awareness and operational update briefings.


• Serve as Defensive Cybersecurity SME during 24x7 operations.

Required Clearance and Certifications

• Must have, at minimum, an active DoD Secret security clearance with ability to obtain TS/SCI (active TS/SCI preferred)


• Must have DoD 8570 IAT II or higher certification (Security+ CE or equivalent) prior to start.

Required Qualifications

• Bachelor's degree and 3+ years of professional experience; additional military or relevant work experience may be considered lieu of a degree.


• CND experience (Protect, Detect, Respond and Sustain) within a Computer Incident Response organization.


• Demonstrated understanding of the life cycle of network threats, attacks, attack vectors and methods of exploitation with an understanding of intelligence driven defense and/or Cyber Kill Chain methodology.


• Experience in a 24x7 environment.

About our Program

Through the J6 Penetration Handling, Incident, System Health (PHISH) support services task order on the GSM-O contract, we provide IT products, services and solutions to the Pentagon and other DoD offices and agencies for them to meet mission and business requirements. Our CSWOs are principally engaged in the triage of events, cyber incident handling, network analysis and threat detection, trend analysis, metric development, vulnerability information dissemination, and the DoD Cyber Security Service Provider (CSSP) methodology.

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 22, 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 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 [e-mail].

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.