Senior Linux System Administrator

Overview

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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

Benefits

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 :

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

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