Computer System Administrator - Journeyman

Job Description

Job Description

Description:

Description

At The One 23 Group, our mission is to set the benchmark for excellence in government services. We empower our clients in the Department of War, Intelligence Community, and Federal Civilian sectors to excel with our advanced capabilities. Our dedication lies in fostering a people-first culture, underpinned by steadfast ethical principles. Embracing innovative technologies and process improvements, we are steadfast in our journey toward a future that is both bright and transformative.

Our expertise spans consulting and analytics, digital workplace solutions, and cyber compliance. With our global footprint, we place a strong emphasis on nurturing our people and culture, which forms the core of our successful strategies in leadership and financial management. We pride ourselves on our extensive experience and effective approach, ensuring that we lead with both innovation and integrity.

Overview

We are seeking a motivated Computer Systems Administrator to join our Enterprise Infrastructure Support team. The ideal candidate will have hands-on experience supporting both on-premises VMware environments and Microsoft Azure cloud infrastructure. This role is responsible for supporting complete lifecycle support for the physical and virtual servers, storage, and services that form the backbone of DeCA's enterprise operations. You will work as part of a team to ensure the stability, performance, and security of both legacy data center components and modern cloud solutions.

Responsibilities

• Provide daily operational support for the on-premises data center, including managing the VMware vSphere environment, physical servers, and Storage Area Network (SAN) devices.
• Assist in the administration of DeCA’s Microsoft Azure environment, including the management of IaaS virtual machines, storage, and networking components.
• Support the planning, integration, testing, and implementation of new hardware, software, and cloud services in accordance with the System Development Life Cycle (SDLC).
• Collaborate with cybersecurity teams to implement security controls, conduct vulnerability remediation, and maintain the information assurance posture of both on-premises and cloud infrastructure.
• Perform routine system maintenance, troubleshoot performance issues, and respond to incidents to ensure high availability of enterprise systems.
• Document system configurations, build processes, and architectural changes in the Configuration Management Library (CML).
• Work assigned incident and service request tickets through the BMC Remedy system

Knowledge must include:

• Primary:
  • VMware vSphere/ESXi: Managing virtual machines, hosts, and datastores
  • Microsoft Azure: Administering IaaS services (VMs, VNet, Storage Accounts)
  • Windows Server Administration: Active Directory, DNS, GPO

• Secondary:
  • Storage Area Network (SAN) concepts
  • Enterprise Backup and Recovery solutions
  • Basic Linux/UNIX system administration
  • Customer Service & Support
  • Excellent Oral/Written Communication

Required Qualifications:

Experience & Education (Must meet ONE of the following):

• High School Diploma / GED + five (5) years of experience in an IT System Administrator role
• Associate’s degree (must be aligned: Information Technology, Computer Science, Information Systems, Management Information Systems, or Computer Engineering) + three (3) years of experience in an IT System Administrator role
• Bachelor’s degree (must be aligned: Information Technology, Computer Science, Information Systems, Management Information Systems, or Computer Engineering) + one (1) year of experience in an IT System Administrator role

• DoD 8140 Foundational Certification (Must possess ONE of the following):
  • SecurityX, CCNP Security, CCSP, Cloud+, FITSP-O, GFACT, GICSP, GSEC, Security+ or SSCP

• Computing Environment Certification (Required within 6 months of hire):
  • Must obtain ONE of the following: Microsoft Certified: Azure Administrator Associate (AZ-104) OR VMware Certified Professional - Data Center Virtualization (VCP-DCV).

• Security Clearance (Required):
  • Must possess and maintain an active Secret clearance.