Senior Cloud Systems Administrator

Salary: $145,000 - 160,000 per year Requirements: Ability to obtain and maintain a public trust. Bachelors degree in Information Technology, Computer Science, Engineering, or a related discipline; equivalent experience may be accepted instead. At least five years of enterprise Windows Server administration experience. Experience supporting Linux operating systems in production environments. PowerShell skills and experience with at least one additional scripting language, such as Bash or Python. Experience with virtualization technologies, including VMware vSphere and/or Microsoft Hyper-V. Experience implementing or supporting DevOps tools and practices. Familiarity with source control systems such as Git. Strong knowledge of networking fundamentals, including TCP/IP, DNS, routing, and firewall concepts. Experience with system monitoring, logging, and performance management tools. Strong troubleshooting, analytical, and problem-solving abilities. Excellent written and verbal communication skills. Preferred: Experience supporting federal government or Department of Defense environments. Preferred: Experience with cloud platforms such as Microsoft Azure, AWS, or Google Cloud Platform. Preferred: Experience with infrastructure-as-code tools such as Terraform or Ansible. Preferred: Experience with containerization and orchestration technologies, including Docker and Kubernetes. Preferred: Familiarity with Security Technical Implementation Guides (STIGs), NIST frameworks, and cybersecurity best practices. Preferred: Experience supporting highly available, mission-critical hosting environments. Preferred: Microsoft, Red Hat, VMware, AWS, Azure, or related industry certifications. Relevant technical skills include Windows Server 2016/2019/2022; Active Directory, Group Policy, DNS, and DHCP; PowerShell, Bash, and Python; VMware vSphere and Hyper-V; Git, Azure DevOps, GitLab, Jenkins, and GitHub Actions; Terraform and Ansible; Docker and Kubernetes; IIS, Apache, and Nginx; monitoring and logging platforms; and backup and disaster recovery solutions. Responsibilities: Administer, maintain, and troubleshoot Windows Server environments and associated services, including Active Directory, Group Policy, DNS, DHCP, and IIS. Support and manage enterprise Linux servers, such as Red Hat, Rocky Linux, and Ubuntu. Monitor system performance, availability, and capacity to keep hosted applications and services operating effectively. Implement, maintain, and enhance infrastructure automation using scripting and configuration management tools. Support DevOps efforts, including CI/CD pipelines, infrastructure as code, automated deployments, and system monitoring. Work with developers, cybersecurity personnel, network engineers, and program stakeholders to meet hosting needs. Perform system patching and upgrades, remediate vulnerabilities, and strengthen security configurations. Manage virtualized environments using VMware, Hyper-V, or cloud-based platforms. Create and maintain technical documentation, standard operating procedures, and system diagrams. Support backup and recovery, continuity of operations, and disaster recovery activities. Take part in incident response and root cause analysis, and implement corrective actions. Ensure adherence to organizational security policies, government regulations, and applicable standards. Technologies: AI AWS Active Directory Ansible Azure Bash CI/CD Cloud DevOps Docker Firewall Git GitHub GitLab Hyper-V Support Jenkins Kubernetes Linux Network Nginx PowerShell Python Security TCP/IP Terraform Ubuntu VMware Windows More: We are Credence, a team of more than 1,700 people, including over 1,500 AI and data experts, delivering AI, cloud, cybersecurity, and modernization solutions for federal agencies and health and humanitarian missions. We hold more than 100 prime contracts and have been recognized as a Washington Post Top Workplace for six consecutive years and as one of the Inc. 5000 Fastest Growing Private Companies in 13 of the past 14 years. We encourage our employees to grow, take on meaningful challenges, and contribute to positive change. We have an immediate opening for a Senior Cloud Systems Administrator supporting the Enterprise Sourcing, Medical and Contingency (ESMC) Portfolio Hosting Support Contract. This hybrid role requires on-site work at our headquarters in McLean, Virginia, three days per week. The annual salary range is $145,000–$160,000; compensation depends on the selected candidates experience, education, certifications, skills, location, and overall qualifications. Our benefits include medical, dental, and vision care; retirement plans; life insurance; paid time off for vacation, sick leave, and public holidays; family leave; short- and long-term disability; training and development; and wellness resources. last updated 41 week of 2026