System Administrator

Entry or Mid to Senior Level Position

District of Columbia, Maryland, Virginia
TS/SCI w/FSP

Job Description
This individual will be responsible for managing system administration support activities for a large complex network environment with geographically distributed systems. The position entails developing solutions for system engineering requests to meet operational needs as well as deploying and maintaining capabilities that are new to the environment. The selected candidate must be comfortable working in a fast-paced environment with multiple air-gapped systems which have individual domains and supporting infrastructure and managing a complex IT environment with multiple logins and associated supporting storage and network infrastructure. The position requires an energetic, focused, and driven candidate who can adapt well to a changing environment. Ideally, the selected candidate will possess networking skills or must have the ability to learn and complete various network-centric undertakings.

Primary Roles and Responsibilities
This individual will be responsible for installing and administrating systems, applications, and processes and ensuring that all issues are identified and resolved in a timely manner. He/She will be responsible for ensuring server and desktop configurations are optimized and running continuously and efficiently, and will perform security management and application performance optimization functions. The environment includes Linux and Microsoft-based servers and workstations.

Additional responsibilities include:

  • Creating and maintaining complex server enclaves, including establishing system scanning procedures, vulnerability management assessments, and active directory configuration.
  • Planning and implementing IT enhancements and leading IT optimization projects.
  • Identifying and correcting hardware and software issues.
  • Responding to system administration, operations, and maintenance problems and developing re-work solutions.
  • Creating and maintaining documentation of complex server/network environments to ensure that clear, concise, and accurate information is readily available for incident resolution.
  • Lead working groups that provide technical direction for system administrators and engineering groups.
  • Communicating with users and external support personnel regarding systems outages and upgrade, and conferring with upper management regarding recommended resolution options.

 

Basic Qualifications

  • Understanding of Red Hat 6.5 and Red Hat 7 is required.
  • Familiarity with Server 2008 R2, Server 2012 R2, and Server 2016 required.
  • Must have experience providing assistance to users and optimizing system operations.
  • Must have a solid understanding of information security principles and practices.
  • Must have experience with or familiarity with software and security architectures.
  • Must have experience with or familiarity with the following systems: Windows/Linux operating systems, VMware, and Networking: Switches, Routers, LANs, and Cabling.

 

Preferred Qualifications

  • Preferred certifications: CCNA, CCNA Security, RHCE, Network +
  • Experience documenting and providing information for security accreditation and certification.
  • Experience with Network Security Technologies (e.g. Multiple Domain, PKI, SSP, and Vulnerability Assessment).
  • Understanding of advanced security protocols and standards.
  • Experience with High Assurance platforms.
  • Experience with application integration testing methods.
  • Experience with software deployment methods for applications, patches, and operating systems.
  • Experience with OS and Application Hardening to include DISA, Best Practices, and High Assurance environments.
  • Experience with both Client and Server virtualization environments.

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