Systems Administrator

General information

Requisition # R61771 Locations USA-CA-San Diego Posting Date 07/21/2025 Security Clearance Required Secret Remote Type Onsite Time Type Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team onsite in San Diego, California. This is an onsite position.

Responsibilities include but are not limited to:

• Provide Tier 3 technical remote and onsite support and guidance to NCTE Range end-users, addressing IT-related issues and inquiries in a timely and professional manner

• Diagnose and resolve complex technical issues related to system configurations and network connectivity for Range POR systems

• Ensure compliance with security policies, procedures, and best practices, with a focus on maintaining a secure IT environment

• Strong understanding of Group Policy Management and Active Directory in Windows environments

• Writing standard operating procedures (SOPs) for IT systems and processes.

• Excellent troubleshooting skills and the ability to diagnose and resolve complex technical issues effectively

• Up to 25% travel can be expected

Minimum Qualifications:

• High School Diploma and 5+ years of relevant IT systems experience

• Experience in system administration, with proficiency in both Linux and Windows environments

• Must have CompTIA Security+ CE

• Must have a VMware, Windows, or Linux Operating System (OS) certification

Preferred Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or related field

Clearance Requirements:

• US Citizenship required and an active Secret security clearance with the ability to obtain a Top Secret

Physical Requirements:

• Must be able to remain in a stationary position 50%

• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer

• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

The projected compensation range for this position is $96,100.00-$159,900.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic lo