Role: System Administrator – TS/SCI
Location: Bethesda, MD
Duration: Full-Time
Clearance Level: Must have Active TS/SCI Clearance
Responsibilities :
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
Working knowledge of COTS and FOSS storage solution
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.
Minimum Requirements:
Typically requires Bachelor's Degree and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience
At least 6+ years of relevant professional experience
Must have an active Top Secret security clearance with the ability to obtain and maintain a TS/SCI with Polygraph security clearance
Experience in system integrations testing through a full system development life cycle, including implementing test plans, test cases and test processes
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 a self-starter who can work on their own
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 advanced server networking in a Cisco environment
Experience with Cloud Service Providers and cloud operations
Preferred Qualifications:
Knowledge of Atlassian software suite tools such as JIRA, JIRA Service Desk, Confluence, etc.
Experience with data engineering tools such as Kubernetes/Rancher, Cloudera
Experience with Configuration Management (Chef, Puppet, Ansible, Salt) and IaC tools such as terraform and AWS Cloudformation
Experience with scripting languages such bash, python3 and power shell
Experience with CI/CD tools 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 with advanced Linux network hardware (e.g.: Mellanox Network Cards)
Experience working in an air-gapped/not-connected-to-the-internet environment
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