Senior Systems Administrator

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Linux, Microsoft Windows, System Administration

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Senior Systems Administrator

Own your opportunity to join our team, bringing professionalism and initiative to a fast-paced environment that offers extensive options for training, certification, and career advancement. When we succeed, you succeed and together our best becomes better. 

GDIT has an immediate opening for a Systems Administrator to fill a Core Services position supporting the NNSA (National Nuclear Security Administration). The Systems Administrator is responsible for supporting core service functions covering Server, Storage End Point Security (ESS), E-discovery, Microsoft Endpoint Configuration Manager (MECM), Monitoring Tools, Storage, and VMware teams.  

WHAT YOU WILL DO:

Duties and Responsibilities:

• Enterprise Authorization: Integrate Linux Systems into a primary Windows environment (workstations & servers) where authentication, authorization, and accounting actives are controlled by Active Directory with PKI certificates and Single Sign On. 
• Enterprise Provisioning: Configure new Linux and Windows systems for customer use and ensuring that initial configurations meet the required enterprise baselines & controls (e.g., proper agents installed, proper configs, etc.) 
• Integrate Linux and Windows systems with other enterprise tooling (e.g., ACAS, Splunk, SolarWinds, Backup systems, etc.).
• Ensure patches are maintained across a diverse Linux environment in a heavily automated manner, where possible. 
• Ensure that already-provisioned Servers are kept in compliance with baseline requirements & ever-changing enterprise policy (e.g., equivalent to Group Policy in the Windows realm for ongoing compliance update. 
• Provide technical support to the administration of enterprise Storage systems including Hyperflex, NAS and SAN platforms.
• Provide technical and administrative support to system backups, ensuring all backups are completing as scheduled and the system ins operating in an optimized manner.
• Develop an operating system lifecycle plan with integration of NNSA STIGs and other recommended security standards. 
• Monitor all solutions integrated via a centralized alerting system. 
• Certify log management and forwarding to a single repository. 
• Serves as a technical expert for the development, implementation, management, and support of systems and networks. Plans and execute complex assignments, developing new methods and approaches in a wide variety of IT specialties.
• Maintains group policy, AD directory structure, and deployment of policies.
• Provides domain-level configuration, administration, operation, and support for the enterprise.
• Supports hardware and software management; uses, monitors, and manages a software license repository, across the enterprise, for recording and tracking software licensing/support agreements.
• Provides configuration management support in accordance with compliance and policies and procedures.
• Perform account management, e.g. establishing, activating, modifying, disabling, and removing accounts.
• Provide configuration management, implementation, and sustainment of compliance with applicable system security controls.
• Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
• Optimize system operations and resource utilization, and perform system capacity analysis and planning.
• Provide in-depth experience in trouble-shooting IT systems.

Education and Certifications:

• Bachelor’s degree in computer science, Information Technology, or a related field (or equivalent work experience) or Technical Training, Certifications, and 8+ years of experience.

Required Skills:

• At least 5-7 years of experience as a Systems Administrator or similar role
• Strong experience with Linux and Windows-based systems administration.
• Knowledge of cloud platforms (AWS, Azure, Google Cloud).
• Experience with virtualization technologies (VMware, Hyper-V).
• Familiarity with containeri