Systems Administrator - SME

Accenture Federal Services•Chantilly, VA

About The Position

The Systems Administrator (SME) serves as the principal authority for enterprise systems architecture, infrastructure modernization, and zero-trust security implementation. This role leads the design, automation, optimization, and governance of highly available infrastructure environments across complex, cross-enclave systems. The SME provides strategic and technical leadership for Infrastructure as Code (IaC), configuration management, disaster recovery, and compliance automation while ensuring resilient, scalable, and secure operations.

Requirements

Extensive experience supporting Windows, Linux, and hybrid-cloud environments.
Expertise with Infrastructure as Code (IaC) and configuration management tools such as Terraform, Ansible, Puppet, or Chef.
Experience with cloud platforms including AWS, Azure, or Google Cloud.
Strong knowledge of system monitoring, disaster recovery, backup solutions, and performance optimization.
Deep understanding of enterprise security controls, compliance requirements, and infrastructure governance.
Proven ability to lead enterprise infrastructure initiatives and technical teams.
Experience with air-gapped hybrid-cloud and on-premises operational environments, including complex multi-enclave ecosystems.
Experience with AWS GovCloud/SC2S/C2S and GCP cloud platforms.
Experience configuring and managing Nutanix hosts and clusters with Prism Central and NDFS.
Experience with Cisco switching, routing, firewalling, and site-to-site functionality such as IPSEC, DMVPN, and SD-WAN.
Experience with locally hosted GPU servers and multi-tenant Cross-Domain Solutions (CDS).
Experience with containerization and orchestration, including Docker, Kubernetes, and OpenShift.
Experience with cloud-native security implementation and security accreditation processes.
Experience with advanced GitLab CI/CD pipelines and DevSecOps practices.
Experience with enterprise database services including RDS, RDS Aurora, and DynamoDB, and serverless architectures such as Lambda.
Experience with cloud networking and VPC configuration.
Experience with monitoring, logging, and data platforms including Elasticsearch, OpenSearch, and Splunk.
Experience with microservices architecture and API Gateway implementation.
Development experience with Python, .NET/C#, and related languages.
Experience with identity and access services including Microsoft Active Directory, LDAP/OpenLDAP, Entra ID, and Keycloak.
Experience with high-assurance cross-domain and encryption solutions such as TACLANE and NCAP.
Knowledge of cloud cost-optimization techniques.
Experience with Linux operating systems such as Rocky, Red Hat, Amazon, and Ubuntu; Windows; and Mac OS.

Nice To Haves

Master's degree in Information Technology, Computer Science, Cybersecurity, or a related field.
Experience supporting federal, defense, intelligence, or highly regulated environments.
Expertise in zero-trust architecture and secure infrastructure design.
Experience with containerized platforms such as Docker and Kubernetes.
Relevant certifications such as AWS Solutions Architect, Azure Administrator/Architect, RHCE, VMware, CISSP, or similar.
Experience with DevSecOps, CI/CD pipelines, and enterprise automation frameworks.

Responsibilities

Serve as the principal authority for enterprise systems architecture and infrastructure modernization.
Lead the design, automation, and optimization of highly available infrastructure environments.
Implement zero-trust security principles and cross-enclave interoperability solutions.
Drive Infrastructure as Code (IaC) and configuration management initiatives across the enterprise.
Establish and enforce governance frameworks for disaster recovery and compliance automation.
Provide strategic technical leadership for enterprise security and operational resilience initiatives.
Optimize infrastructure for scalability, performance, and security across complex environments.
Guide teams on best practices for system administration, automation, and infrastructure management.