Defensive Cyber Operations (DCO) Systems Manager

Job Description

Description

Leidos has a current job opportunity for a Defensive Cyber Operations (DCO) Systems Manager on the DISA GSM-O II program supporting the DISA Joint Operations Center (DJOC) embedded with DISA Headquarters, Fort Meade, MD . The candidate will support the DISA GSM-O II TN13 Defensive Cyber Operations (DCO) Branch. This position will provide leadership for defensive cyber operations activities and will be expected to actively engage with a variety of customers and mission partners, anticipating their needs, and delivering flawlessly.

POSITION SUMMARY :

GSM-O II provides network operations and cyber defense support to the Defense Information Systems Agency (DISA) in support of the Department of Defense (DoD) and Combatant Commands (CoCOMs).

PRIMARY RESPONSIBILITIES :

Provide input to capability working groups to develop solutions for cyber situational awareness issues

Maintain on a daily basis, track, and advise on cyber situational awareness platforms concentrating on data management of systems including, but not limited to : Secure Information Event Manager (SIEM)m Big Data Platform (BDP), Cyber Situational, Awareness and Analytic Capability (CSAAC), Analyst Collaboration Tool (ACT), Provide status updates daily with a weekly roll up.

Track system outages, system health, data health, data tagging, and data shaping and report status daily.

Support mission-critical Continuity of Operations (COOP).

Develop, schedule, and perform User Acceptance Testing (UAT) for various cyber situational awareness tools.

Evaluate current technologies and processes associated with DISA DCO to identify gaps. Provide requirements and strategies for future cybersecurity operations.

Follow up on all taskers and due outs.

BASIC QUALIFICATIONS :

Bachelor's degree from an accredited college in a related discipline, or equivalent experience / combined education, with 8+ years of professional experience; additional related years of experience is accepted in lieu of a degree.

Hold DoD-8570 IAM Level 1 baseline certification (Sec+ CE or equivalent) to start and must obtain CSSP-A certification within 180 days of start date.

Proficient understanding of the Cybersecurity Framework in regards to identify, protect, detect, respond and recover within the Cyber Security Service Provider construct.

Motivated self-starter with exceptional written and verbal communication skills. Demonstrated experience briefing and advising Senior Executive Service (SES) and General Officer / Flag Officer (GO / FO) leadership regarding matters of strategic importance.

Must have an active Top Secret / SCI clearance.

PREFERRED SKILLS :

Experience with DISA and DoD Networks.

Advanced Certifications such as SANS GIAC / GCIA / GCIH, CISSP or CASP.

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.

Foster and encourage a collaborative environment to champion a cybersecurity culture. Mentor and train other technical staff.

GSMO

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting : October 1, 2025

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 $104,650.00 - $189,175.00

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.