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.
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).
Skills Required
- Top Secret security clearance
- Security+ CE certification or equivalent DoD 8570/8140 qualification
- Experience administering, maintaining, and troubleshooting Microsoft Windows Server environments
- Experience supporting Windows 11 in 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, TCP/IP, DNS, DHCP, and network troubleshooting
- Experience with system patching, maintenance, troubleshooting, and configuration management
- Knowledge of DoD STIG requirements, system hardening, and cybersecurity compliance practices
- Ability to troubleshoot complex issues across multiple systems and infrastructure components
- Strong written and verbal communication skills, including technical documentation and team coordination
- Ability to work independently, manage competing priorities, and support mission-focused operations
- Ability to work on-site at NAS Patuxent River, Maryland
- 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 Ansible or other automation and configuration management tools
- Familiarity with Infrastructure as Code 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 integration with virtualized environments
- Experience supporting infrastructure modernization, system migrations, and technical improvement initiatives
- Experience working in DoD, Navy, or other government enterprise IT environments
- Familiarity with IT service management processes, including incident, change, and configuration management
SMX Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SMX and has not been reviewed or approved by SMX.
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Fair & Transparent Compensation — Salary ranges are publicly listed on many postings and a pay transparency statement clarifies how location, contract, and credentials influence offers. This visibility helps set clear expectations around compensation.
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Leave & Time Off Breadth — About four weeks of PTO plus 11 paid federal holidays are highlighted in careers materials. Paid military leave on some roles further expands time‑off coverage.
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Retirement Support — A 401(k) with a dollar‑for‑dollar match on the first 5% and immediate vesting is called out in role descriptions. Traditional and Roth options support long‑term savings.
SMX Insights
What We Do
SMX is a global technology and advanced engineering provider specializing in Cloud Solutions, C5ISR, and Advanced Engineering / IT. Our tradition of delivering innovative, technical solutions dates back to 1995, however, you may know us better by one of our legacy company names: Trident Technologies, Smartronix, Datastrong, or C2S Consulting Group. With the support of OceanSound Partners, our private equity investment sponsor, we began operating as one business starting in 2019 and became SMX in 2021. We operate in close proximity to our clients around the globe and have core locations in Alabama, California, the DC Metro, Florida, Hawaii, Maryland, and Massachusetts. Today, as SMX, we are one team and together empower government and commercial enterprises to become more effective, innovative, and resilient, no matter what challenges they face. SMX offers competitive benefits, excellent work environments, and growth opportunities for our employees while continuing to expand operations and support our communities. We have more than 25 years of rapid and consistent growth with continuous recognition as an employer-of-choice technology company. In addition, we have earned coveted industry quality and business certifications; have a strong commitment to business partnerships, ethics, compliance, and sustainability; and have a multitude of premier contracting vehicles. The combination of these attributes allows us to provide sound, repeatable business solutions yet remain flexible and agile to quickly adapt to specific customer requirements. Committed to ensuring the highest levels of customer satisfaction, SMX is structured around the programs and technologies we support to provide optimal and seamless operations. We have maintained a reputation for excellence, helping to assure the missions of our Department of Defense, Public Sector, Fortune 1000, and other Government and commercial customers.
