Responsibilities
- Maintain and support the integrity of system networks through technical support and configuration management
- Perform daily maintenance, monitoring, and troubleshooting of applications, networking problems, and systems issues across both cloud-hosted and on-premises platforms
- Serve as a primary escalation point (Tier 2/3) for infrastructure incidents, outages, and performance degradation
- Administer Active Directory including GPO, role-based access controls, and user/group policy management
- Support cloud identity and access management (IAM) tools and practices
- Build and maintain automation workflows using Ansible, Terraform, Docker, and Kubernetes to reduce manual effort and improve reliability
- Perform software and system installations, upgrades, routine automation, and cybersecurity risk mitigation tasks
- Provide responsive, solutions-oriented support to system users, ensuring reliable access to tools and systems
- Maintain accurate, thorough documentation in Confluence — system configurations, change records, runbooks, and SOPs
- Track and manage work through Jira, communicating scope and status effectively to the team and stakeholders
- Coordinate with security and compliance teams to ensure systems meet DoD standards and hardening requirements
- Support 24/7 operations including shift work and on-call rotations as mission requires
- Contribute to team knowledge sharing and support the mentorship of junior administrators (L1/L2)
- Proactively identify issues, anticipate roadblocks, and escalate appropriately when needed
- Take responsibility for personal development and demonstrate a growth mindset
- You use modern AI tools with judgment: integrating them into workflows where they're impactful, reviewing their outputs, and handling proprietary or sensitive data responsibly
Requirements
- Willing to support 24/7 operations and shift work.
- Active DoD Secret or Top Secret security clearance
- Proficient understanding of Linux systems administration in production environments
- Hands-on Active Directory administration experience
- Experience with cloud identity and access management (IAM) tools
- Working knowledge of system vulnerabilities and security issues
- Solid networking fundamentals — DNS, DHCP, VLANs, firewalls, and routing
- Working experience with automation and infrastructure-as-code tools (Ansible, Terraform, Kubernetes, Docker, or Packer)
- Experience with cloud computing concepts and the AWS component stack
- Strong troubleshooting and debugging skills — curious and investigative approach to problem-solving
- Hands-on experience with Atlassian tools — Confluence and Jira
- Experience with help desk/ITSM systems and ticketing workflows
- Strong collaboration skills — comfortable working across multiple teams and sharing knowledge
- Strong written and verbal communication skills — comfortable working directly with customers, end users, and engineering teams
- Active CompTIA Security+ certification (DoD Directive 8140/8570.01-M)
- Ownership mindset — you follow through, document your work, and find the right balance between persevering and asking for help
Nice to Have
- CISSP or CEH certification
- Advanced Ansible, Terraform, or Kubernetes usage in classified or production environments
- Linux certifications (RHCSA, RHCE, LPIC, or equivalent)
- Familiarity with CI/CD pipelines or DevSecOps practices
Work Arrangement
On-site
Additional Information
- Active DoD Secret or Top Secret security clearance required
- Active CompTIA Security+ certification required per DoD Directive 8140/8570.01-M
- Support 24/7 operations including shift work and on-call rotations as mission requires
- Responsibility includes mentorship of junior administrators (L1/L2)
- Use of modern AI tools expected with judgment and responsible handling of sensitive data
