SMX is seeking a System Administrator to support a dynamic DoD environment. This position is 100% on-site and requires an active Top Secret clearance. The System Administrator will install, configure, and maintain local area network (LAN) infrastructure, operating systems, and physical and virtual server environments. This role is responsible for monitoring system health and availability, maintaining Windows and VMware infrastructure, supporting cybersecurity compliance activities, and ensuring the reliable day-to-day operation of assigned systems. Essential Duties & Responsibilities Install, configure, maintain, and troubleshoot Windows operating systems, physical servers, and virtual server environments. Monitor system performance, availability, and resource utilization across hardware, network, and server infrastructure. Review system and application logs and verify successful completion of scheduled tasks, including system backups. Manage user accounts, permissions, and access to system resources. Install, configure, and upgrade application and system software while maintaining applicable software licensing. Support Windows Server, Windows Domain Controller, hardware, and application software environments. Assist with vulnerability management and cybersecurity compliance activities, including ACAS scanning and STIG implementation/remediation. Analyze system and server resource consumption and identify potential performance or availability issues. Assist with planning and coordination between network, server, virtualization, and application environments. Develop or utilize scripts and automation to improve system administration and operational efficiency.

Required Skills & Experience Clearance Required:

Top Secret US Citizenship is required for work on DoW contract 3+ years of relevant system administration or infrastructure experience. Security+ CE certification and applicable operating system certification. Hands-on experience supporting Windows Server environments. Experience administering VMware virtual infrastructure. Experience supporting hardware, Windows Domain Controllers, and application software. Strong attention to detail and troubleshooting skills. Desired Skills & Experience Experience with ACAS (Automated Cybersecurity Assessment System). Familiarity with DISA Security Technical Implementation Guides (STIGs), including implementation and remediation. Scripting and automation experience. Experience with tools and technologies such as Ansible, GitLab, Bash, PowerShell, or similar automation/scripting solutions. #cjpost 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: $80,000 - $105,000 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).