About this role
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. With 1,700+ team members, 1,500+ AI/data experts, and 100+ prime contracts, we deliver at scale and with purpose.
We’ve been recognized as a Top Workplace by the Washington Post for six straight years and named to the Inc. 5000 Fastest Growing Private Companies 13 of the past 14 years. Credence is a welcoming home for those looking to grow and contribute to positive change. We encourage all employees to expand beyond their boundaries, dive into important world-changing Federal challenges.
Credence is seeking a highly skilled Windows Systems Administrator with Linux and DevOps experience to support the Enterprise Sourcing, Medical and Contingency (ESMC) Portfolio Hosting Support Contract. The successful candidate will be responsible for the administration, maintenance, security, automation, and optimization of enterprise hosting environments supporting mission-critical applications and services.
This role requires a professional who is equally comfortable managing Windows-based infrastructure, supporting Linux systems, and implementing modern DevOps practices to improve system reliability, scalability, and operational efficiency. The position is a hybrid role, requiring on-site support at Credence Headquarters in McLean, Virginia, three days per week.
Responsibilities include but are not limited to …
Administer, maintain, and troubleshoot Windows Server environments, including Active Directory, Group Policy, DNS, DHCP, IIS, and related servicesSupport and manage Linux servers (Red Hat, Rocky Linux, Ubuntu, or similar distributions) in enterprise environmentsMonitor system performance, availability, and capacity to ensure optimal operation of hosted applications and servicesImplement, maintain, and improve infrastructure automation using scripting and configuration management toolsSupport DevOps initiatives, including CI/CD pipelines, infrastructure-as-code, automated deployments, and system monitoringCollaborate with developers, cybersecurity personnel, network engineers, and program stakeholders to support hosting requirementsPerform routine system patching, upgrades, vulnerability remediation, and security hardening activitiesManage virtualized environments utilizing VMware, Hyper-V, or cloud-based platformsDevelop and maintain technical documentation, standard operating procedures, and system diagramsSupport backup, recovery, continuity of operations, and disaster recovery activitiesParticipate in incident response, root cause analysis, and corrective action implementationEnsure compliance with organizational security policies, government regulations, and applicable standardsRequirements
Ability to obtain and maintain a public trustBachelor's degree in Information Technology, Computer Science, Engineering, or related field; equivalent experience may be substitutedMinimum of five (5) years of experience administering Windows Server environments in an enterprise settingExperience supporting Linux operating systems in production environmentsExperience with PowerShell and at least one additional scripting language such as Bash or PythonExperience with virtualization technologies, including VMware vSphere and/or Microsoft Hyper-VExperience implementing or supporting DevOps tools and practicesFamiliarity with source control systems such as GitStrong understanding of networking fundamentals, including TCP/IP, DNS, routing, and firewall conceptsExperience with system monitoring, logging, and performance management toolsStrong troubleshooting, analytical, and problem-solving skillsExcellent written and verbal communication skills Preferred Qualifications
Experience supporting federal government or Department of Defense (DoD) environmentsExperience with cloud platforms such as Microsoft Azure, AWS, or Google Cloud PlatformExperience with infrastructure-as-code tools such as Terraform, Ansible, or similar technologiesExperience with containerization and orchestration technologies, including Docker and KubernetesFamiliarity with Security Technical Implementation Guides (STIGs), NIST frameworks, and cybersecurity best practicesExperience supporting highly available and mission-critical hosting environments Microsoft, Red Hat, VMware, AWS, Azure, or related industry certifications Desired Technical Skills
Windows Server 2016/2019/2022 Active Directory, Group Policy, DNS, DHCP PowerShell, Bash, PythonVMware vSphere, Hyper-VGit, Azure DevOps, GitLab, Jenkins, GitHub ActionsTerraform, AnsibleDocker, KubernetesIIS, Apache, NginxMonitoring and logging platformsBackup and disaster recovery solutions