Senior Linux System Administrator

As the Senior Linux System Administrator, this individual will support, administer, maintain, and sustain virtual and physical Linux server platforms hosted in enterprise IT environments. In this role, the Sr. Linux Systems Administrator will maintain VMWare environment support the patching, compiling, securing, and troubleshooting of Linux servers in a heterogeneous environment. In addition, the Linux Administrator will perform system updates, provisioning, cloning and server configurations as well as be responsible for implementing changes in multiple environments from development to production. The Senior Linux Systems Administrator will also provide technical support for incident response, service degradations, outages, and other service interruptions. This role requires a physical presence on site 5 days a week in Augusta, GA. Responsibilities: Performs full life cycle Linux Administrator operations for Primarily Ubuntu and Redhat - Install, Harden, Monitor, Maintain, Update, Backups Performs the daily health checks Completes and update system STIGs. Track POA&Ms and drive compliance Scripts and automates virtual and physical Linux Platforms Operation of Docker and preferably Docker Swarm Installs, operate, Maintain Applications running on Docker such as Zabbix, Grafana, Proxy / Reverse Proxy, LMS Works with security and DEVOPS teams to support the tools that run on Linux systems. Configure networking components as it relates to Linux systems - TCP/IP, Routing, DNS Server and Client Installs, protects, recovers, and modernizes the application hosting systems and capabilities (including servers, storage, databases, and other essential infrastructure) needed to provision enterprise IT applications to the user community Builds, sustains, patches, backup and recovery of physical Linux servers, virtual hosts, and virtual machines in multiple network environments Executes performance testing and optimization to meet performance specifications, monitor and report on system utilization rates, and service capacities Builds and sustains global policies in support of systems and users across all network enclaves Plans, executions, and documents mission-application baseline specification changes, to include changes to high-availability, fault-tolerant system designs, cluster-aware applications, client-server applications, web-enabled applications, and other n-tier application architectures Supports and executes migrations of server-hosted applications to a mix of Public and Private Cloud environments; verifies before and after services; and maps, builds, sustains, and validates interfaces between data systems Provides verification of data owners, authorized submitters, and logon identifications (IDs), existing level of privileges, and system security configurations for specific systems identified by the Government Installs, secures, and troubleshoots website-hosting servers, web-application servers, and websites by identifying system requirements, building systems, installing updates. Deploys applications, securing the systems from cyber security attacks, deploying application and website content updates, and configuring authentication and authorization to meet cyber security mandates Performs other tasks as required by OSC and the Government contracting office Required Qualifications/Education and Experience: Must have and maintain a Secret Security clearance with TS/SCI eligibility Must have High School Diploma or equivalent Must have (2) certifications: Valid 8570 Level - II Certification Security+ or Higher, and a RHCT, RHCE, or LPIC certification Minimum seven (7) years or more of experience in systems administration In-depth knowledge of Linux: RedHat, CentOS, Debian, etc. Knowledge of implementation and administration of VMWare Must have experience utilizing Docker and preferably Docker Swarm Experience in a 24/7 military or government IT environment Knowledge of systems software, hardware, and networking protocols Experience with scripting and automation tools Experience implementing IT strategy, plans, and SOPs Knowledge of implementing IT operations best practices, including knowledge of security, storage, data protection, and disaster recovery protocols Experience in Ports Protocols and Security Measures Demonstrated ability to provide outstanding customer service experience OSC Edge delivers a total rewards package that we know will attract, engage and retain top talent. Key elements of our package include a competitive base pay and a comprehensive benefits package: We offer eligible employees with an opportunity to enroll in a variety of benefits offerings. Here are just some of our benefits for our US based positions: Medical/ Dental/ Vision Life insurance and AD&D Flexible Spending Accident, Critical Illness and Hospital Indemnity coverage 401(k) and ROTH retirement options and company match Pet Insurance Identify Theft and Fraud Protection coverage About OSC Edge: Founded in 2008, what started as a small business has grown into a diverse and innovative global team owned by Cook Inlet Region, Inc. an Alaska Native Regional Corporation. As a US Federal contractor, we are a dedicated IT Service Provider supporting the Departments of the Army, Navy, Air Force, DoD Educational Institutions, and large corporate entities. Our expertise is in Cloud Computing, Cyber Security, Compliance Management, Enterprise Architecture, IT Support, and CSfC. If you are passionate about making a difference and thrive in a dynamic and collaborative environment, we invite you to apply to join our team. Equal Opportunity Employer/Veterans/Disabled #LI-DNI