Within the CGI Federal team supporting the Army PL ALTESS program, the Senior Cybersecurity Network Defense Administrator provides information assurance leadership and hands-on network defense in alignment with established guidelines. The role emphasizes ACAS management, AESS, PKI, STIGs, PPSM, and eMASS documentation to sustain secure IT operations.
Responsibilities
- Conduct a range of network defense activities following established guidelines and industry best practices.
- Govern ACAS infrastructure, including configuration, scanning, reporting, and analysis in accordance with the DISA ACAS Best Practices Guide.
- Oversee Army Endpoint Security Solution (AESS) Site Reviewer activities.
- Manage the DISA whitelist workflow and permissions.
- Administer PKI tokens and related processes.
- Execute STIG compliance scanning and generate corresponding reports.
- Provide support for Ports, Protocols, and Services Management (PPSM).
- Assess security impact of proposed configuration changes.
- Handle in-processing and out-processing tasks associated with account management functions.
- Maintain updates to the designated training and certification tracking system.
- Participate in software assurance reviews to ensure ACAS findings are remediated or properly documented in eMASS POA&M.
Requirements
- Cybersecurity certification (examples include Security+ or CISSP, among others).
- Active DoD Secret Security Clearance.
- 10 or more years of experience in cybersecurity and network defense areas.
- Hands-on 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 the ability to perform STIG compliance scanning and reporting.
- Experience providing PPSM support.
- Ability to review proposed configuration changes for security impact.
- Experience with in-processing and out-processing tasks related to account management functions.
Technologies
- ACAS
- Army Endpoint Security Solution (AESS) Site Reviewer
- DISA Whitelist
- PKI Tokens
- DoD STIGs and STIG compliance scanning and reporting
- PPSM (Ports, Protocols, & Services Management)
- eMASS POA&M
- DISA ACAS Best Practices Guide
Benefits
- 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
Position Description
CGI Federal is seeking a Senior Cybersecurity Network Defense Administrator (Information Assurance Engineer - Senior) to support the Army PL ALTESS contract. PL ALTESS, the Product Lead for Acquisition, Logistics, and Technology Enterprise Systems and Services, is a key U.S. Army organization providing IT services and support to the Army and Department of Defense. As a managed service provider, ALTESS delivers IT infrastructure, platforms, and applications to its customers.
What You Can Expect From Us
CGI emphasizes ownership, teamwork, respect, and belonging. As a CGI Partner, you will contribute from day one and help shape the company’s strategy while delivering value through your work. The environment supports professional growth, collaboration, and the pursuit of innovative solutions within a cooperative, results-oriented culture.
