Cyber SME

CGI • Washington, DC

20h

About The Position

CGI Federal is seeking a highly skilled and innovative Cyber Capability Developer (SME) to support mission-critical defense and intelligence initiatives. This senior-level role is responsible for designing, developing, and implementing advanced cyber capabilities that enhance national security operations. The SME will lead technical efforts across offensive and defensive cyber domains, collaborate with multi-disciplinary teams, and ensure solutions meet DoD compliance and operational standards.

Requirements

• Active Top Secret clearance.
• 10+ years of experience in cyber operations, software development, or cybersecurity engineering.
• Bachelor’s or advanced degree in Computer Science, Cybersecurity, or related STEM field.
• Expertise in Splunk Enterprise Security and other SIEM platforms.
• Strong coding and systems engineering skills across multiple languages and environments.
• Deep understanding of modern cyber threats, defense mechanisms, and offensive techniques.
• Familiarity with NIST RMF, DoD 8140/8570, and cybersecurity compliance standards.
• Experience developing capabilities for cloud, endpoint, and network environments.

Nice To Haves

• Certifications such as: o CISSP, GCIH, GCIA, GMON, CSSLP
• Experience with: o Microsoft Sentinel, AWS, Azure, Google Cloud o XACTA, Retina, HBSS, ACAS
• Knowledge of NIST NICE Work Roles: o Defensive Cybersecurity (PD-WRL-001) o Incident Response (PD-WRL-002) o Cyber Threat Intelligence (PD-WRL-006) o Cyber Investigation (PD-WRL-007)
• Proven ability to lead cross-functional teams and deliver mission-aligned solutions.

Responsibilities

• Lead the design and development of offensive and defensive cyber tools and capabilities.
• Architect and implement cybersecurity systems tailored to DoD mission environments.
• Conduct vulnerability analysis, capability prototyping, and secure software development.
• Utilize platforms such as Splunk Enterprise Security and Microsoft Sentinel for threat detection, analytics, and monitoring.
• Collaborate with system engineers, analysts, and mission stakeholders to align cyber capabilities with operational goals.
• Ensure all developed solutions comply with DoD cybersecurity frameworks and RMF standards.
• Provide mentorship and technical leadership to junior developers and analysts.
• Support cyber threat intelligence integration and incident response planning.
• Maintain documentation and contribute to capability lifecycle management.

Benefits

• Together, as owners, let’s turn meaningful insights into action.
• Life at CGI is rooted in ownership, teamwork, respect and belonging.
• Here, you’ll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life.
• That’s why we call ourselves CGI Partners rather than employees.
• We benefit from our collective success and actively shape our company’s strategy and direction.
• Your work creates value.
• You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
• You’ll shape your career by joining a company built to grow and last.
• You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees