Job Description Base 2 Solutions is seeking a Tier 3 Service Desk / Systems Administrator who will support the OSINT Integration Center under the 10 year DOMEX Technology Platform (DTP) contract. The candidate will bring together Linux (primarily) and Windows systems administration, systems maintenance, systems performance optimization, along with user support services. This role involves working in a team environment while demonstrating strong cross functional collaboration in areas such as development, production, cybersecurity compliance, and QA in a dynamic and fast paced environment. Individuals in this role may be required to perform technical software configuration, rebooting, and other remedial actions on customer systems. Work will be conducted on site at the client location in Bethesda, MD during standard business hours, with rotational coverage of the service desk as early as 6am or as late as 6pm. Key Tasks Clear devotion to the DevOps and Infrastructure as Code (IaC) mindset. Perform Linux and Windows builds, installs, configuration, administration, and troubleshooting of Linux and Windows servers to include base configuration, security and system patching, performance monitoring, etc. Implement and enforce DISA STIG compliance across all systems and networks. Develop server builds for virtual and physical environments. Manage, maintain, configure, and deploy system integration tools such as Kubernetes, Rancher, Helm. Develop scripts to support patching, configuration, and other infrastructure team tasking using languages such as Python, Bash, or PowerShell. Design, develop, and support scalable, redundant infrastructure to include physical and virtualized environments. Utilize configuration management tools like Salt and Ansible for infrastructure automation and orchestration. Set up administrator and service accounts, maintain system documentation, tune system performance, install system wide software, validate and implement system patches, including fast turnaround time security critical patches. Apply working knowledge of COTS and FOSS storage solutions. Improve existing infrastructure to incorporate latest technology best practices and cross application integrations. Administer cloud environments, particularly AWS, including provisioning, monitoring, and optimization. Collaborate with cross functional teams to implement and maintain agile practices and workflows. Provide support to customers in a professional, knowledgeable manner to maintain excellent customer relationships. Manage and administer accounts to include account creation, password resets, troubleshooting, and termination/deletion. Coordinate work schedules with ServiceDesk teammates to ensure coverage from 6am 6pm, Monday Friday. Required Skills Experience in system integrations testing through a full system development life cycle, including implementing test plans, test cases, and test processes. Experience working in an Agile project management environment. Experience with security requirements derivation. Experience documenting test results for corrective actions, reporting, and audits. Excellent verbal and written communication skills. Ability to work in a team and also as a self starter who can work independently. Expertise in configuration, administration, and troubleshooting of Linux (RHEL/CentOS, Ubuntu). Experience with patching: yum repositories, APT repositories. Experience with server builds: virtual and physical. Experience with Cloud Service Providers and cloud operations. Qualifications Bachelor’s Degree and 4 8 years of prior relevant experience, or a Master’s with 2 years of prior relevant experience. At least 4 years of relevant professional experience. Active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with Polygraph. Desired Skills Experience with data engineering tools such as Kubernetes/Rancher, Cloudera. Experience with Configuration Management (Chef, Puppet, Ansible, Salt) and IaC tools such as AWS CloudFormation. Experience with scripting languages such as Bash, Python3, and PowerShell. Experience with CI/CD tools: ArgoCD, Jenkins, Nexus, Docker/containerd, GitLab/GitHub. Experience with ELK clusters, including Elasticsearch, Logstash, Kibana, and *beats. Experience with Windows Systems Administration and troubleshooting Active Directory. Experience establishing large computer end point environments (> 1,000 end points). Experience maintaining AI/ML environments (NVIDIA hardware and software). Experience maintaining large data (Petabyte) environments and storage solutions. Experience working in an air gapped/not connected to the internet environment.