DCO Counter-Measures Engineer

Leidos; Scott Air Force Base (IL); Hybrid; USD 107,900 - 195,050; Full time

Benefits offered by this job

Competitive compensation

Health and wellness programs

Paid leave

Retirement benefits

Job summary

Leidos is seeking a Defensive Cyber Operations (DCO) Counter‑Measures Engineer to support the GSM‑O II program at Scott AFB, IL. This role involves engaging with customers to deploy countermeasures against cyber threats, designing automated cybersecurity solutions, and maintaining situational awareness of cyber activity. The ideal candidate holds a Bachelor's degree with at least 8 years of experience, possesses active DoD Secret clearance, and is proficient in programming and cybersecurity operations. A competitive compensation package is offered.

Qualifications

• Active DoD Secret clearance and eligibility to obtain TS/SCI.
• Minimum of 8 years applicable experience.
• 8140 Cyber Defense Infrastructure Support Specialist compliance required.
• Advanced understanding of network threats and defense mechanisms.
• Experience with DISA and DoD networks preferred.

Responsibilities

• Develop and deploy countermeasures against threats.
• Assess and refine effectiveness of cybersecurity measures.
• Maintain situational awareness of cyber threats.
• Design automated cybersecurity solutions.
• Act as a subject-matter expert for the automation team.

Skills

Programming in modern languages (Java, Python, Ruby, C++)

Experience with custom malware detection

Understanding of TCP/IP, protocols

Unix administrative skills

Automation skills via Bash, Python, PowerShell

Education

Bachelor's degree in a related discipline

Tools

Git

Snort

Yara

Suricata

Job description

Position Summary

Leidos Digital Modernization has a job opportunity for a Defensive Cyber Operations (DCO) Counter‑Measures Engineer supporting the GSM‑O II program, which provides network operations and cyber defense support to the Defense Information Systems Agency (DISA). The selected candidate will engage with customers and mission partners across the enterprise. This position can be based at Scott AFB, IL; Hill AFB, UT; or Columbus, OH, with partial/hybrid telework possibly allowed but consistent on‑site presence required.

Primary Responsibilities

• Author and deploy novel countermeasures to eliminate threats and illuminate their activities.
• Assess the effectiveness of countermeasures on an ongoing basis and refine actions as needed.
• Design and develop solutions to deliver automated cybersecurity services, including agile development and maintenance of automation scripts/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 could impact the DoDIN.

Basic Qualifications

• Active DoD Secret clearance and eligibility to obtain TS/SCI.
• Bachelor's degree in a related discipline with 8+ years of applicable experience; additional related experience may substitute for a degree.
• Requirement for 8140 Cyber Defense Infrastructure Support Specialist 521 (CS) Intermediate‑level compliance and 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.
• Advanced understanding of TCP/IP, networking ports and protocols, traffic flow, system administration, OSI model, defense‑in‑depth, and common security elements.
• Understanding of the life cycle of network threats, attacks, attack vectors, and exploitation methods, with knowledge 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.
• Skill 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 Range

$107,900.00 – $195,050.00.

Pay and Benefits

Competitive compensation, health and wellness programs, income protection, paid leave, and retirement benefits are part of the compensation package.

Commitment to Non‑Discrimination & EEO Statement

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.