Senior System Administrator MC2 (4750)

SMX is seeking a skilled Senior-level MC2 System Administrator to support 24x7 operations within the Patuxent River Data Center under the NAWCAD DNA division. This position focuses on mission-critical system availability, compliance, and operational integrity supporting end users and enterprise infrastructure at the Patuxent River Naval Air Station. This role provides significant opportunity for growth and technical leadership within a high-visibility environment.

Essential Duties And Responsibilities:

• Serve as a senior member of the MC2 operations team supporting 24x7 monitoring and maintenance of complex systems across multiple network enclaves.
• Lead advanced troubleshooting, root cause analysis, and performance tuning across Windows and Unix/Linux environments.
• Apply monthly maintenance, patching, and STIG remediation to ensure compliance and mitigate vulnerabilities.
•  Administer and maintain system monitoring tools ensuring accurate alerting, event correlation, and response documentation.
• Conduct physical security checks, access audits, and assist with data center cabling, installation, and configuration of hardware.
• Maintain and update operational SOPs, diagrams, and configuration documentation.
• Monitor and manage incident and service request queues, ensuring timely escalation and resolution in accordance with established SLAs.
• Provide expert technical support to junior system administrators and act as a subject matter expert for critical mission systems.
• Execute PowerShell and Bash scripting for automation of common tasks and reporting.
• Other duties as assigned by Data Center Management.

Required Skills:

• Clearance Required: Secret 
• Ability to obtain a Top Secret is required
• Minimum 5–7 years of IT systems administration or data center operations experience supporting DoD or enterprise environments.
• Strong proficiency with Windows Server administration (Active Directory, GPO, SFTP, token administration).
• Working knowledge of Unix/Linux systems and command-line operations.
• Deep understanding of DoD Information Assurance standards, STIG compliance, ACAS scan review, and vulnerability remediation.
• Demonstrated experience in maintaining 24x7 operational uptime and supporting critical systems in a secure environment.
• Excellent documentation skills and ability to maintain audit-ready configuration and change records.
• DoD 8570 IAT Level II compliance (Security+ CE, CySA+, CCNA Security, GSEC, or equivalent).
• Strong communication skills with the ability to collaborate effectively across multiple technical teams.
• Ability to obtain a Top Secret is required

Desired Skills:

• Advanced PowerShell, Python, or Bash scripting.
• Familiarity with virtualization and backup/recovery operations.
• Understanding of network fundamentals and troubleshooting (TCP/IP, DNS, VLANs).
• Prior experience within a government or defense data center environment.
• Strong time management, initiative, and ability to operate independently during non-business hours.

Application Deadline: 10/14/2025

#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:$29.23—$48.75 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).