Senior Cloud Systems Administrator

Credence; United States; Hybrid; USD 145,000 - 160,000; Full time

Benefits offered by this job

Health Care Plan

Retirement Plan

Life Insurance

Paid Time Off

Family Leave

Disability Insurance

Training & Development

Wellness Resources

Job summary

Credence in McLean, VA is seeking a Senior Cloud Systems Administrator to support the ES​MC Portfolio Hosting contract. You will administrate Windows Server and Linux environments, implement automation, and bolster reliability for mission‑critical applications.

The role blends on‑prem and cloud, requires DevOps practice, and offers a hybrid schedule with on‑site work three days per week at Credence HQ.

Qualifications

• 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.

Responsibilities

• Administer, maintain, and troubleshoot Windows Server environments (Active Directory, DNS, DHCP, IIS).
• Support and manage Linux servers (Red Hat, Rocky, Ubuntu) in enterprise environments.
• Monitor system performance, availability, and capacity for hosted apps and services.
• Automate infrastructure using scripting and configuration management tools.
• Support DevOps initiatives including CI/CD pipelines and infrastructure‑as‑code.
• Collaborate with developers, cybersecurity, network engineers, and stakeholders.
• Perform patching, upgrades, vulnerability remediation, and security hardening.
• Manage virtualized environments using VMware vSphere and Hyper‑V; cloud platforms.
• Develop and maintain documentation and diagrams.

Skills

Strong problem solving

Analytical thinking

Excellent communication

Public trust eligibility

Education

Bachelor's degree in IT / CS / Engineering

Tools

PowerShell

Bash

Python

VMware vSphere

Microsoft Hyper-V

Git

Terraform

Ansible

Docker

Kubernetes

Job description

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 has an immediate openiing for a highly skilled Senior Cloud Systems Administrator 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

$145,000 - $160,000 annually. Compensation will be determined based on the selected candidate’s experience, education, certifications, skills, location, and overall qualifications.

Benefits

• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (401k, IRA)
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation, Sick & Public Holidays)
• Family Leave (Maternity, Paternity)
• Short Term & Long Term Disability
• Training & Development
• Wellness Resources