Senior Systems Administrator

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 containerization technologies like Docker and Kubernetes is a plus.
• Experience with system monitoring tools (e.g., Nagios, Zabbix, SolarWinds).
• Experience with Backup strategies and industry tools such as Commvault
• Knowledge of scripting languages (e.g., PowerShell) for automation tasks.
• Strong troubleshooting and problem-solving abilities.
• Solid understanding of networking protocols and concepts (DNS, DHCP, TCP/IP, VPN, etc.).
• Expert knowledge and experience in current Windows client server to include OS configuration, file sharing, DNS, DHCP, and Active Directory. 
• Experience granting permissions, group policy, responding to trouble tickets   
• Optimize system operations and resource utilization.
• Implement ongoing system security compliance measures including patches and updates. 
• Knowledge and demonstrated experience and its implementation using VMware vSphere (vCenter/ESXi) and Horizon View (VDI Desktops). 
• Practical experience in implementing and maintaining virtualization (VDI Desktops). 

• Security Clearance Level: DOE Q or TS

  •   Random Drug Screening
  •    Required Skills and Abilities: Written and Oral Communication; Organization, Problem Solving, Communication, and Teamwork.
  •    Location: Washington DC, Germantown, MD, or Albuquerque, NM - 100% onsite with our customer
  •    US Citizenship Required

Desired Certifications:

• Microsoft Windows Hybrid Administrator
• ITIL 4 Foundation Certification
• Microsoft Certified: Azure Administrator Associate
• Red Hat Certified Engineer (RHCE)
• VMware Certified Professional (VCP)

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

● Growth: AI-powered career tool that identifies career steps and learning opportunities
● Support: An internal mobility team focused on helping you achieve your career goals
● Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
● Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.