Cyber Operations Countermeasures Engineer

Leidos has a current job opportunity for a Cyber Operations Countermeasures Engineer 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 :

• Direct and track enterprise countermeasure actions and assess the effectiveness of countermeasures on an ongoing basis.
• Analyze high volumes of logs, network data (e.g. NetFlow, PCAP), and other attack artifacts in support of incident investigations.
• Understand the life cycle of network threats, attacks, attack vectors and methods of exploitation with an understanding of intrusion set tactics, techniques and procedures (TTPs).
• Collaborate with team members and Subject Matter Experts (SMEs) to create and validate countermeasures in accordance with (IAW) the DoDIN boundary defense posture.
• Maintain situational awareness of cyber activity by reviewing DoD, Intelligence Community and open source reporting for new vulnerabilities, malware or other threats that have the potential to impact the DoDIN.
• Support mission-critical Continuity of Operations (COOP).

BASIC QUALIFICATIONS :

PREFERRED QUALIFICATIONS :

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 : August 14, 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 $85,150.00 - $153,925.00

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.

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