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 services
- Support and manage Linux servers (Red Hat, Rocky Linux, Ubuntu, or similar distributions) in enterprise environments
- Monitor system performance, availability, and capacity to ensure optimal operation of hosted applications and services
- Implement, maintain, and improve infrastructure automation using scripting and configuration management tools
- Support DevOps initiatives, including CI/CD pipelines, infrastructure-as-code, automated deployments, and system monitoring
- Collaborate with developers, cybersecurity personnel, network engineers, and program stakeholders to support hosting requirements
- Perform routine system patching, upgrades, vulnerability remediation, and security hardening activities
- Manage virtualized environments utilizing VMware, Hyper-V, or cloud-based platforms
- Develop and maintain technical documentation, standard operating procedures, and system diagrams
- Support backup, recovery, continuity of operations, and disaster recovery activities
- Participate in incident response, root cause analysis, and corrective action implementation
- Ensure compliance with organizational security policies, government regulations, and applicable standards
Requirements
- Ability to obtain and maintain a public trust
- Bachelor's degree in Information Technology, Computer Science, Engineering, or related field; equivalent experience may be substituted
- Minimum of five (5) years of experience administering Windows Server environments in an enterprise setting
- Experience supporting Linux operating systems in production environments
- Experience with PowerShell and 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 understanding 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 skills
- Excellent written and verbal communication skills
Preferred Qualifications
- Experience supporting federal government or Department of Defense (DoD) environments
- Experience with cloud platforms such as Microsoft Azure, AWS, or Google Cloud Platform
- Experience with infrastructure-as-code tools such as Terraform, Ansible, or similar technologies
- Experience with containerization and orchestration technologies, including Docker and Kubernetes
- Familiarity with Security Technical Implementation Guides (STIGs), NIST frameworks, and cybersecurity best practices
- Experience 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, Python
- VMware vSphere, Hyper-V
- Git, Azure DevOps, GitLab, Jenkins, GitHub Actions
- Terraform, Ansible
- Docker, Kubernetes
- IIS, Apache, Nginx
- Monitoring and logging platforms
- Backup and disaster recovery solutions
Skills Required
- Ability to obtain and maintain a public trust
- Bachelor's degree in IT, Computer Science, Engineering, or equivalent experience
- Minimum of five (5) years administering Windows Server environments in an enterprise setting
- Experience supporting Linux operating systems in production environments
- Experience with PowerShell and at least one additional scripting language (Bash or Python)
- Experience with virtualization technologies (VMware vSphere and/or Microsoft Hyper-V)
- Experience implementing or supporting DevOps tools and practices (CI/CD, automation)
- Familiarity with source control systems such as Git
- Strong understanding of networking fundamentals (TCP/IP, DNS, routing, firewall concepts)
- Experience with system monitoring, logging, and performance management tools
- Strong troubleshooting, analytical, problem-solving, and communication skills
- Experience supporting federal government or DoD environments
- Experience with cloud platforms (Azure, AWS, GCP)
- Experience with infrastructure-as-code tools such as Terraform or Ansible
- Experience with containerization and orchestration (Docker, Kubernetes)
- Familiarity with STIGs, NIST frameworks, and cybersecurity best practices
- Experience supporting highly available and mission-critical hosting environments
- Industry certifications (Microsoft, Red Hat, VMware, AWS, Azure) or related certifications
Credence Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Credence and has not been reviewed or approved by Credence.
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Fair & Transparent Compensation — Pay is considered competitive or better than average across many roles, with multiple examples describing excellent pay and competitive salaries. Additional cash elements such as bonuses appear alongside base pay.
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Healthcare Strength — Benefits include comprehensive medical, dental, and vision coverage, supported by HSAs/FSAs and a TRICARE supplement. Employer-paid life and disability coverage further strengthen the protection package.
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Leave & Time Off Breadth — Time off includes flexible PTO and a broad holiday schedule aligned to federal holidays. Additional leave types such as military and bereavement leave are available.
Credence Insights
What We Do
Credence provides innovative technology, health, international development, engineering, and management solutions to support mission-critical programs for Federal government customers. We are one of the nation’s largest privately held government contractors. Our ability to perform exceptionally to implement new solutions, efficiencies, and savings across 220 U.S. Government programs is due to our obsession with exceeding customer expectations and our emphasis on employee wellbeing—best exemplified by our corporate philosophy: “One Measure of Success. Yours.” WHY WORK WITH CREDENCE? We are consistently rated as a Top Workplace and are proud to be one of the fastest growing privately held firms in the U.S. over the last decade. Credence treats each customer, teaming partner, and employee as a trusted partner whom we serve. We ensure successful outcomes by focusing on the measure of success that we consider to be most important—Yours. WHY WORK FOR CREDENCE? We are a diverse, enthusiastic team of professionals who are dedicated to providing exceptional service to our customers. Our culture is focused on employee empowerment, recognition, and reward, and each person is encouraged to take initiative and strive to reach their greatest potential. HOW CREDENCE GIVES BACK: We believe in giving back to the communities in which we live and work through corporate charitable events, support for employee volunteering, and a 100% corporate match for employee charitable giving.
