System Administrator

Leidos•Bethesda, MD

1d•Onsite

About The Position

Are you ready to join a Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show you how to accelerate your career path. Leidos has an exciting opening for you as our next Tier 3 Service Desk/ Systems Administrator supporting the OSINT Integration Center under our 10-year DOMEX Technology Platform (DTP) contract. Your job will be to bring together Linux (primarily) and Windows systems administration, systems maintenance, systems performance optimization along with user support services. You will work in a team environment while demonstrating strong cross-functional collaboration in areas such as, but not limited to, 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 our 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. You will work closely with other infrastructure and network engineers, and system engineers on the following 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 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. Coordinate your work schedule with your ServiceDesk teammates to ensure the team offers coverage from 6am-6pm, Monday-Friday.

Requirements

Bachelor’s Degree and 4-8 years of prior relevant experience or Masters with 2+ years of prior relevant experience
At least 4+ 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 Cloud Service Providers and cloud operations

Nice To Haves

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 bash, python3 and power shell
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

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.
Coordinate your work schedule with your ServiceDesk teammates to ensure the team offers coverage from 6am-6pm, Monday-Friday.