Windows/VMware ESXi Administrator (5803)

SMX is seeking a Windows/VMware ESXi Administrator to support enterprise IT infrastructure and systems administration operations at Naval Air Station Patuxent River, MD.

This position will be responsible for maintaining, securing, and troubleshooting Windows-based systems, VMware virtualization environments, and supporting infrastructure services within a Department of Defense (DoD) enterprise environment. The ideal candidate will have a strong background in Windows Server administration, experience supporting VMware ESXi environments, and an understanding of enterprise networking, cybersecurity compliance, and infrastructure operations. This role requires an individual who can independently troubleshoot technical challenges, coordinate across multiple technical teams, and contribute to the overall availability, security, and performance of mission-critical systems.

Essential Duties & Responsibilities

• Administer, configure, maintain, and troubleshoot Windows Server and Windows 11 operating systems within an enterprise environment

• Support Microsoft infrastructure services, including Active Directory, Group Policy, DNS, DHCP, and Network Policy Server (NPS).

• Administer and maintain VMware ESXi hosts, virtual machines, and associated virtualization infrastructure

• Support VMware vCenter operations, including virtual machine provisioning, configuration, resource allocation, and performance monitoring

• Perform routine system maintenance, patching, configuration changes, and upgrades to maintain operational readiness and system stability

• Investigate and resolve technical issues involving operating systems, authentication services, network connectivity, virtualization platforms, and supporting infrastructure

• Implement and maintain secure system configurations in accordance with DoD Security Technical Implementation Guides (STIGs) and applicable cybersecurity requirements

• Support vulnerability identification, remediation, and validation activities, including the review and resolution of ACAS findings

• Monitor system health, resource utilization, and performance to identify potential issues and recommend corrective actions

• Support system backup, recovery, and restoration activities to maintain service availability and operational continuity

• Collaborate with cybersecurity, networking, and infrastructure teams to troubleshoot complex issues and coordinate system changes

• Maintain accurate technical documentation, system configurations, troubleshooting procedures, and operational records

• Participate in incident response, root cause analysis, and service restoration efforts involving enterprise infrastructure

• Identify opportunities to improve system reliability, streamline administrative processes, and reduce recurring technical issues

• Support additional infrastructure administration and operational requirements as assigned

Required Skills & Experience

• Clearance required: Top Secret

• Security+ CE certification or equivalent DoD 8570/8140 qualification

• Experience administering, maintaining, and troubleshooting Microsoft Windows Server environments

• Experience supporting Windows 11 operating systems within an enterprise environment

• Working knowledge of Active Directory, Group Policy, DNS, DHCP, and related Microsoft infrastructure services

• Hands-on experience supporting VMware ESXi virtualization environments

• Familiarity with VMware vCenter administration and virtual machine management

• Understanding of enterprise networking concepts, including TCP/IP, DNS, DHCP, and network troubleshooting

• Experience performing system patching, maintenance, troubleshooting, and configuration management

• Knowledge of DoD STIG requirements, system hardening, and cybersecurity compliance practices

• Ability to troubleshoot complex technical issues across multiple systems and infrastructure components

• Strong written and verbal communication skills, with the ability to document technical activities and coordinate across technical teams

• Ability to work independently, manage competing priorities, and support operational requirements in a mission-focused environment

• Ability to work on-site at NAS Patuxent River, MD

Desired Skills & Experience

• Experience administering Red Hat Enterprise Linux or other Linux-based operating systems

• Experience with VMware vSphere and advanced vCenter management capabilities

• Familiarity with ACAS vulnerability scanning, analysis, and remediation

• Experience implementing and validating DoD STIG configurations. Experience with automation and configuration management tools such as Ansible

• Familiarity with Infrastructure as Code (IaC) technologies, including Terraform, Packer, and Git. Experience supporting enterprise backup, recovery, and disaster recovery operations

• Knowledge of virtualization performance optimization, resource management, and infrastructure troubleshooting

• Familiarity with enterprise storage technologies and their integration with virtualized environments

• Experience supporting infrastructure modernization, system migrations, and technical improvement initiatives

• Experience working within DoD, Navy, or other government enterprise IT environments

• Familiarity with IT service management processes, including incident, change, and configuration management.

#cjpost #LI-ONSITE

The SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. At SMX, one of our Core Values is to Invest in Our People so we offer a competitive mix of compensation, learning & development opportunities, and benefits. Some key components of our robust benefits include health insurance, paid leave, and retirement.

The proposed salary for this position is:

$100,000—$146,100 USD

At SMX®, we are a team of technical and domain experts dedicated to enabling your mission. From priority national security initiatives for the DoD to highly assured and compliant solutions for healthcare, we understand that digital transformation is key to your future success.

We share your vision for the future and strive to accelerate your impact on the world. We bring both cutting edge technology and an expansive view of what’s possible to every engagement. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.

SMX is an Equal Opportunity employer including disabilities and veterans.

Selected applicant may be subject to a background investigation and/or education verification.

SMX does not sponsor a new applicant for employment authorization or immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer).