Senior Cybersecurity Network Defense Administrator; Information Assurance Engineer - Senior
Listed on 2026-01-28
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IT/Tech
Cybersecurity, Systems Engineer
Overview
CGI Federal is looking for a Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior) to support a program for the Army's PL ALTESS contract. PL ALTESS provides IT services and support to the Army and Department of Defense, delivering infrastructure, platform, and application services across data centers and commercial clouds. ALTESS modernizes IT systems by migrating to the cloud and managing mission-critical applications to ensure Army readiness.
ALTESS oversees IT service delivery across hosting locations, aligning with DoD digital transformation strategies as part of PEO Enterprise.
USA VA Radford -- USAVARAD
1.
The Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior) will perform a variety of network defense activities in accordance with established guidelines and best practices. The role includes:
- Managing ACAS infrastructure, configuration, scanning, reporting, and analysis in accordance with the DISA ACAS Best Practices Guide.
- Managing Army Endpoint Security Solution (AESS) Site Reviewer activities, DISA Whitelist, and PKI Tokens.
- Performing STIG Compliance scanning and reporting, providing Ports, Protocols, & Services Management (PPSM) support, and reviewing proposed configuration changes for security impact.
- Handling in-processing and out-processing tasks, managing updates to the designated training and certification tracking system, and participating in SW Assurance reviews to ensure ACAS findings are remediated or appropriately documented via eMASS POA&M.
- Cybersecurity Certification (such as Security+/CISSP, etc.).
- Active DoD Secret Security Clearance.
- 10+ years of experience in Cybersecurity and Network Defense related areas.
- Experience with ACAS management, including infrastructure management, configuration, scanning, reporting, and analysis.
- Proficiency in managing Army Endpoint Security Solution (AESS) Site Reviewer activities.
- Experience with DISA Whitelist management.
- Knowledge of PKI Token management.
- Strong understanding of DoD STIGs and ability to perform STIG compliance scanning and reporting.
- Experience providing Ports, Protocols, & Services Management (PPSM) support.
- Ability to review proposed configuration changes for security impact.
- Experience with in-processing and out-processing tasks related to account management functions.
- Bachelor's degree in computer science or equivalent years of experience.
- Familiarity with DISA ACAS Best Practices Guide and NETCOM policies.
- Familiarity with DISA Continuous Monitoring and Risk Scoring (CMRS).
- Strong analytical and problem-solving skills.
- Excellent communication and coordination skills.
- Experience with Army enterprise monitoring tools and practices.
- Knowledge of security regulations and best industry practices.
- Ability to work effectively in a team environment and collaborate with stakeholders.
- Experience with incident response activities.
- Understanding of Continuity of Operations Plans and Communication Plans.
- Experience with security compliance and control documentation.
CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The current range is $ - $ in the U.S. This range reflects factors such as skill set, experience, training, licensure, and certifications, and may vary by case.
- Competitive compensation
- Comprehensive insurance options
- Matching contributions through the 401(k) plan and the share purchase plan
- Paid time off for vacation, holidays, and sick time
- Paid parental leave
- Learning opportunities and tuition assistance
- Wellness and well-being programs
CGI offers of employment in the U.S. are contingent upon successful completion of a background investigation. CGI is an equal opportunity employer and prohibits discrimination. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or other protected statuses as required by applicable laws.
CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email US_ with the Position email address is for accommodation requests only.
Accessibility for veterans: CGI makes it easy to translate military experience and skills. Visit our veterans site for more information. All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Some background investigations may include a credit check depending on role and requirements.
CGI will not discriminate against employees who inquire about pay. However, employees who have access to compensation information as part of their job functions may be restricted from disclosing it to others not authorized to access it,…
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