Defensive Cyber Operations (DCO) Counter-Measures Engineer

TCP/IP Equities Scripting Operations Automation OSI Models Cyber Risk Market Data Traffic Flow Cyber Defense Cyber Security Ancient History Defense In Depth Cyber Operations Secret Clearance Malware Analysis Agile Methodology CompTIA Security+ Malware Detection Windows PowerShell Information Systems GIAC Certifications System Administration Bash (Scripting Language) C++ (Programming Language) Java (Programming Language) Ruby (Programming Language) Git (Version Control System) Python (Programming Language) GIAC Reverse Engineering Malware Snort (Intrusion Detection System) CompTIA Cybersecurity Analyst (CySA+) Application Programming Interface (API) Offensive Security Certified Professional GIAC Security Essentials Certification (GSEC) Certified Information Systems Security Professional Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), Leidos' Digital Modernization sector has a current job opportunity for a Defensive Cyber Operations (DCO) Counter-Measures Engineer.

This position will support the GSM-O II program, which provides network operations and cyber defense support to the Defense Information Systems Agency (DISA) in support of the DoD and COCOMs. The selected candidate will provide support for defensive cyber operations activities and will be expected to actively engage with a variety of customers and mission partners.

This position can be based out of any of our three core sites - Scott AFB, IL; Hill AFB, UT; or Columbus, OH. Partial/hybrid telework may be allowed, but a consistent on-site presence is required., * Author and deploy novel countermeasures to eliminate threats and illuminate their activities.

• Assess the effectiveness of countermeasures on an ongoing basis and revector actions as needed.
• Design and develop solutions to deliver automated cybersecurity services, conduct agile development & maintenance of automation script/tools to scale cybersecurity work across the enterprise.
• Develop custom integrations, data correlation, and processing strategies to reduce cybersecurity risk and act as a Subject Matter Expert for the automation team.
• 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., 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. Related Jobs Vivarium Operations Technician Actalent Columbus, OHOn-Site Research Visionary Operations Management Data Entry Innovation Animal Care Multitasking Pest Control Communication Life Sciences Animal Health Prioritization Animal Welfare Animal Science Detail Oriented Clinical Trials Data Collection Animal Handling Microsoft Office Animal Husbandry Clinical Research Laboratory Techniques Mechanical Engineering Electrical Engineering Manufacturing Engineering Critical Illness Insurance Standard Operating Procedure Good Documentation Practices Good Laboratory Practice (GLP) +0 Lab Quality Analyst Actalent Grove City, OHOn-Site Visionary Operations Life Sciences Phone Interviews Mechanical Engineering Electrical Engineering Manufacturing Engineering Critical Illness Insurance Good Manufacturing Practices +0 Project Engineer Actalent Columbus, OH*On-Site Planning Machinery Visionary Innovation Procurement Coordinating Design Codes Communication Change Orders Control Systems Material Handling Project Schedules Project Management Project Engineering Project Status Reports Engineering Management Artificial Intelligence Critical Illness Insurance +0

• Must have an active DoD Secret clearance and be eligible to obtain TS/SCI
• Bachelor's degree in a related discipline with 8+ years of applicable experience; additional related years of experience is accepted in lieu of a degree.
• Requires 8140 Cyber Defense Infrastructure Support Specialist 521 (CS) Intermediate-level compliance, to include one of the following certifications: Security+, PenTest+, CySA+, GSEC, or GMON.
• Proficiency in programming in at least one modern language (Java, Python, Ruby, C++).
• Custom malware detection development experience.
• Advance understanding of TCP/IP, networking ports and protocols, traffic flow, system administration, OSI model, defense-in-depth and common security elements.
• 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).
• UNIX Administrative skills.

PREFERRED SKILLS:

• Experience with DISA and DoD Networks.
• Experience countering APTs or emergent threats to DOD networks.
• Skilled in developing extended cyber security analytics.
• Experience in developing and supporting a development environment.
• Experience automating tasks via Bash, Python, PowerShell, or other scripting tools.
• Experience in Linux and Windows-based systems administration in a cloud or virtualized environment.
• Experience with API development and integration.
• Experience with Git, Sigma, Yara, Snort, and Suricata.
• Experience with Detection-as-a-Code Principles.
• Experience with malware analysis concepts and methods.
• Advanced Certifications such as GREM, OSCP, CISSP or CASP.

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 .

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., 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 .