SMX is seeking a Windows & VMware ESX System Administrator who will be responsible for the proper functioning of a group of hardware and virtual environments hosting and running Windows operating systems, and various applications. As the System Administrator you will be required to manage the devices to ensure they are running efficiently and securely. This position provides a great opportunity for growth.
Essential Duties & Responsibilities
- Operate and maintain all development, test and production hardware and software in a Windows and Windows Server lab environment.
- Operate and maintain VMware ESX hosting systems.
- Perform system administration activities to include account hardware, operating system and software management.
- Monitor and manage the system resources (CPU, memory, disk, etc.), monitoring, alerting and auditing, vulnerability scanning, reviewing system logs, back-up and recovery, continuity of operations, security, and break/fix type incidents.
- Test and install operating system, COTS, and GOTS software and upgrades and patches.
- Remediate Information Assurance Vulnerability Alerts (IAVAs) consistent with security, information assurance, and established change control requirements.
- Operation and management of Virtual Machine environments including troubleshooting.
- Assisting with creating and maintaining documentation to support the testing, installation, operations, and maintenance of all assigned physical and virtual equipment.
- Support basic Active Directory tasks; maintain users and groups, resetting passwords, and unlocking objects.
- Restore and/or reproduce current systems, applications, and data in accordance with directives and requirements for data and disaster recovery.
Required Skills & Experience
- Clearance Required: Top Secret
- 3+ years of related experience
- Security+ or other IAT level II cert
- Strong attention to detail
- Experience with ACAS (Automated Cybersecurity Assessment System)
- Familiarity with STIGs (Security Technical Implementation Guides)
- Windows Server 2022/2025
- Experience with Active Directory, including account administration
- Experience with the following:
- DNS
- Group Policy
- VMware
Desired Skills & Experience
- Experience with the following is desired:
- Certificate Authority (CA) Server
- Network Policy Server (NPS)
- PowerShell scripting
- PDQ
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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 clearance
- 3+ years of related experience
- Security+ or other IAT Level II certification
- Strong attention to detail
- Experience with ACAS (Automated Cybersecurity Assessment System)
- Familiarity with STIGs (Security Technical Implementation Guides)
- Windows Server 2022/2025
- Experience with Active Directory including account administration
- Experience with DNS
- Experience with Group Policy
- Experience with VMware
- Certificate Authority (CA) Server
- Network Policy Server (NPS)
- PowerShell scripting
- PDQ
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.
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