Credence

Manage and optimize Windows and Linux enterprise hosting environments with DevOps practices to support mission-critical applications. | Bachelor's degree or equivalent experience with 5+ years in enterprise Windows Server administration, Linux, scripting, virtualization, and DevOps tools. | 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 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

Build and maintain reusable cloud infrastructure and CI/CD pipelines to support cloud modernization and automate operational tasks. | Bachelor's degree, 5+ years cloud/platform engineering experience, AWS proficiency, Infrastructure as Code skills, ability to obtain Public Trust clearance, and Security+ and AWS certifications. | At Credence, we support our clients’ mission-critical needs, powered by technology. We provide cutting-edge solutions, including AI/ML, enterprise modernization, and advanced intelligence capabilities, to the largest defense and health federal organizations. Through partnership and trust, we increase mission success for war-fighters and secure our nation for a better future. We are privately held, are repeatedly recognized as a top place to work, and have been on the Inc. 5000 Fastest Growing Private Companies list for the last 12 years. We practice servant leadership and believe that by focusing on the success of our clients, team members, and partners, we all achieve greater success. We are seeking a Cloud Platform Engineer to support cloud modernization efforts for DoW customers. This role focuses on building, operating, and improving reusable cloud platform capabilities using AWS, Infrastructure as Code, CI/CD pipelines, automation, and containerization. The ideal candidate will have hands-on experience supporting secure cloud environments, developing repeatable infrastructure patterns, improving deployment workflows, and helping engineering teams deliver workloads more efficiently. This role will work closely with Cloud Engineers, Solutions Architects, Cybersecurity Professionals, and customer stakeholders to design, deploy, troubleshoot, and improve secure AWS-based platform services. Responsibilities include, but are not limited to: Collaborate with Cloud Engineers, Solutions Architects, Cybersecurity Professionals, and customer teams to manage, modernize, and secure AWS-based platforms supporting DoW customers Build, maintain, and improve reusable cloud infrastructure patterns using Infrastructure as Code tools such as Terraform and AWS CloudFormation Support development and improvement of CI/CD pipelines for automated build, test, security scan, deployment, and release workflows Assist application and engineering teams with onboarding workloads to platform services and standardized deployment patterns Support containerized workload deployments using technologies such as Docker, Amazon ECS, Amazon EKS, and AWS Fargate Troubleshoot infrastructure, pipeline, container, networking, permissions, and deployment issues across development, test, and production environments Develop scripts and automation to reduce manual operational tasks and improve consistency, reliability, and delivery speed Help maintain platform services related to monitoring, logging, access control, configuration management, patching, and operational support Work with cybersecurity and compliance teams to ensure platform services and automation align with security, governance, and customer requirements Research, evaluate, and recommend new tools, technologies, and engineering practices that improve platform reliability and developer experience Document technical designs, deployment procedures, runbooks, reusable patterns, and operational processes Must be able to obtain and maintain a Public Trust Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related technical field Current CompTIA Security+ certification, or ability to obtain within the first 60 days Current AWS certification, or ability to obtain within the first 90 days 5+ years of experience in cloud engineering, platform engineering, DevOps, systems administration, infrastructure automation, or a related technical role Hands-on experience with AWS environments and core services such as EC2, S3, IAM, VPC, Security Groups, RDS, EFS, CloudWatch, CloudTrail, and AWS Systems Manager Working experience with Infrastructure as Code tools such as Terraform, AWS CloudFormation, or similar technologies Experience developing, maintaining, or supporting CI/CD pipelines using tools such as GitLab CI/CD, Jenkins, GitHub Actions, AWS CodePipeline, or similar platforms Hands-on experience with containerization concepts and tools such as Docker, Amazon ECS, Amazon EKS, or AWS Fargate Proficiency with scripting or automation using Shell, PowerShell, Python, or JavaScript Ability to work and produce results in an agile, fast-paced environment with dynamic deadlines Strong written and verbal communication skills, including the ability to document technical processes and procedures. Preferred Qualifications AWS Associate, Specialty, or Professional-level certification Experience with Terraform modules, remote state, workspaces, and reusable IaC patterns Experience with Git-based workflows, branching strategies, merge requests, and code reviews Familiarity with YAML and JSON for infrastructure, pipeline, and configuration definitions Understanding of orchestration and automation tools such as Ansible, Jenkins, GitLab, AWS Systems Manager, or similar technologies Experience with Kubernetes tooling such as Helm, ingress controllers, namespaces, or container registries Experience supporting secure environments subject to federal, Public Trust, NIST, or similar compliance frameworks Familiarity with monitoring, logging, and alerting tools such as CloudWatch, Splunk, OpenSearch, Prometheus, or Grafana Familiarity with AI/ML concepts, generative AI tools, or AI-assisted development workflows Familiarity with Active Directory or LDAP-based solutions RHEL, Linux, or Windows Server administration experience