Senior Systems Administrator
About The Position
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.
Requirements
- 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).
- 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).
- Written and Oral Communication; Organization, Problem Solving, Communication, and Teamwork.
- US Citizenship Required
Nice To Haves
- Familiarity with containerization technologies like Docker and Kubernetes is a plus.
- Microsoft Windows Hybrid Administrator
- ITIL 4 Foundation Certification
- Microsoft Certified: Azure Administrator Associate
- Red Hat Certified Engineer (RHCE)
- VMware Certified Professional (VCP)
Responsibilities
- 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.
- 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.
Benefits
- Comprehensive benefits and wellness packages
- 401K with company match
- Competitive pay and paid time off
- Full flex work weeks where possible
- Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
- Short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Number of Employees
5,001-10,000 employees
