Systems Administrator - Senior
Accenturefederalservices · Chantilly, VA
About this role
**Who you’ll be** The Senior Systems Administrator provisions, configures, and maintains highly available systems while driving automation, operational efficiency, and secure infrastructure management. You’ll use Infrastructure as Code (IaC), configuration management, and automation tools to improve reliability and strengthen cybersecurity posture. You’ll also mentor teams, promote standardization, and lead system optimization initiatives. **What you’ll do** - Provision, configure, and maintain highly available systems across enterprise environments - Drive automation initiatives using Infrastructure as Code (IaC) and configuration management tools - Implement and optimize system reliability, performance, and security controls - Strengthen cybersecurity posture through secure infrastructure management practices - Provide technical mentorship and guidance to systems administration teams - Promote standardization of system configurations and operational procedures - Lead system optimization initiatives to improve operational efficiency - Monitor system health and resolve issues to ensure continuous availability **What you need** - US Citizen with Active TS/SCI CI Poly - Experience managing Windows and/or Linux server environments - Strong knowledge of IaC and configuration management tools (e.g., Terraform, Ansible, Puppet, Chef) - Experience with cloud/hybrid-cloud platforms (AWS, Azure, or Google Cloud) - Knowledge of system monitoring, backup, disaster recovery, and performance optimization - Experience with patch management, automation, and enterprise security controls - Strong troubleshooting, analytical, and problem-solving skills **Unique Skills / Technical Requirements** - Air-gapped hybrid cloud and on-premises operational environments (multi-enclave ecosystems) - AWS GovCloud/SC2S/C2S and GCP; Nutanix host/cluster configuration and management (Prism Central, NDFS) - Cisco switching, routing, firewalling, and site-to-site functionality (IPSEC, DMVPN, SD-WAN) - Locally hosted GPU servers - Multi-tenant Cross-Domain Solutions (CDS) - Infrastructure-as-Code (Terraform, Ansible) - Containerization and orchestration (Docker, Kubernetes, OpenShift) - Cloud-native security implementation and security accreditation processes - Advanced GitLab CI/CD pipelines and DevSecOps practices - Enterprise database services (RDS, RDS Aurora, DynamoDB) - Serverless architectures (Lambda) - Cloud networking and VPC configuration - Monitoring/logging/data platforms (Elasticsearch, OpenSearch, Splunk) - Microservices architecture and API Gateway implementation - Development experience with Python and .NET/C# (and related languages) - Identity and access services (Microsoft Active Directory, LDAP/OpenLDAP, Entra ID, Keycloak) - High-assurance cross-domain and encryption solutions (TACLANE, NCAP) - Cloud cost-optimization techniques - Operating Systems: Linux (e.g., Rocky, RedHat, Amazon, Ubuntu), Windows, and Mac OS **Nice to have** - Experience with containerized environments and orchestration (Docker, Kubernetes) - Certifications (Microsoft, Red Hat, VMware, AWS, Azure, or comparable) - Knowledge of DevSecOps, CI/CD pipelines, and infrastructure automation frameworks - Experience supporting highly regulated government/defense/enterprise environments - Familiarity with compliance frameworks, vulnerability management, and security auditing - Experience mentoring junior administrators and leading infrastructure improvement initiatives **Pay range (ba
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