Computer Systems Analyst – Senior (Identity & Directory Services)

Aretec Inc • Alexandria, VA

1d

About The Position

Aretec is seeking a Computer Systems Analyst – Senior (Identity & Directory Services) to support enterprise identity infrastructure, authentication systems, and directory services for a federal customer. This role is critical to ensuring secure, scalable, and compliant identity management across a large and complex environment.

The Computer Systems Analyst – Senior provides enterprise-level support for identity, directory, and authentication services within a federal environment. This role is responsible for maintaining and securing Active Directory, PKI infrastructure, DNS services, and federated authentication systems, while ensuring compliance with federal cybersecurity standards.

You will support identity lifecycle management, directory synchronization, certificate services, and enterprise authentication strategies to maintain a strong security posture and operational readiness.

Requirements

• 6–10+ years of experience in enterprise systems analysis, identity management, or directory services
• Deep expertise in: Active Directory architecture and GPO management
• Deep expertise in: PKI and certificate lifecycle management
• Deep expertise in: DNS administration in enterprise environments
• Deep expertise in: Federated authentication (SAML, OAuth, OIDC, ADFS)
• Deep expertise in: Directory synchronization (e.g., Azure AD Connect)
• Experience supporting large-scale federal environments (10,000+ users/endpoints)
• Strong understanding of federal compliance frameworks (NIST, FISMA, SCAP)
• Strong analytical, troubleshooting, and problem-solving skills
• Bachelor's degree in Information Systems, Cybersecurity, or related field (or equivalent experience)
• Applicants must be sole U.S. citizens.

Nice To Haves

• CompTIA Security+ (or equivalent IAT Level II certification)
• Microsoft Identity and Access Administrator or related Azure/Active Directory certifications
• ITIL Foundation

Responsibilities

• Manage and maintain Active Directory (AD) architecture, including forest/domain design and administration
• Develop, implement, and enforce Group Policy Objects (GPOs)
• Perform directory maintenance, replication monitoring, and performance tuning
• Administer certificate authorities and manage certificate lifecycle processes
• Support encryption services and secure communications across enterprise systems
• Ensure proper issuance, renewal, and revocation of certificates
• Manage enterprise DNS infrastructure and ensure reliable name resolution
• Troubleshoot DNS-related issues in complex, distributed environments
• Implement and support federated authentication solutions (e.g., SAML, OAuth, OIDC, ADFS)
• Enable secure cross-organization authentication and identity federation
• Support Single Sign-On (SSO) and identity integration initiatives
• Manage hybrid identity environments using tools such as Azure AD Connect
• Ensure accurate synchronization between on-premises and cloud directories
• Support identity lifecycle processes across enterprise systems
• Ensure compliance with NIST, FISMA, and SCAP standards
• Maintain enterprise-level monitoring, reporting, and security posture
• Support audit readiness, continuous monitoring, and compliance assessments
• Generate reports and documentation for federal audits and leadership review
• Maintain technical documentation, SOPs, and deployment guides
• Troubleshoot identity-related incidents and system issues
• Collaborate with cybersecurity, infrastructure, and operations teams
• Participate in change management processes, including CAB and RFC tracking
• Mentor junior team members and provide knowledge transfer

Benefits

• Medical, dental, and vision insurance
• 401(k) with company match
• Certification reimbursement and professional development
• Flexible work arrangements
• Generous paid time off (PTO)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 1-10 employees