Systems Administrator

ManTech International Corp

Doral, FL

JOB DETAILS
SKILLS
AFRICOM - United States Africa Command, Amazon Web Services (AWS), Ansible, Automation, CCNA - Cisco Certified Network Associate, CENTCOM - Central Command, Calculators, CompTIA Security+, Computer Maintenance, Computer Network Defense (CND), Computer Networks, Computer Software, Copying Machines, Customer Relations, Customer Support/Service, Desktop PC, Documentation, Employee Orientation, Establish Priorities, GSEC - GIAC Security Essentials Certification, Hardware Upgrades, Industry Standards, Information Technology & Information Systems, Information/Data Security (InfoSec), Inventory Reports, Microsoft Certifications, Microsoft Product Family, Office Equipment, People Management, Presentation/Verbal Skills, Printers, Problem Solving Skills, Puppet (Configuration Management), Red Hat Linux Operating System, SSCP - Systems Security Certified Practitioner, Scripting (Scripting Languages), Secret Clearance, Sensitive Compartmented Information (SCI), Software Administration, Software Upgrades, Systems Administration/Management, Systems Maintenance, Testing, Top Secret Clearance, United States Department of Defense (DoD), VMWare, Virtualization, Virtualization Software
LOCATION
Doral, FL
POSTED
2 days ago

General information

Requisition #

R68339

Locations

USA-FL-Doral

Posting Date

06/02/2026

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 in Doral, FL. This position is fully on-site and has a rotating schedule which includes days, nights and some weekends.

Responsibilities include but are not limited to:

  • Manages the day-to-day administration and maintenance of computer systems, network servers, and virtualization technologies, ensuring reliable operation and optimal performance.
  • Installs and upgrades computer components and software, manages virtual servers, and implements automation processes to streamline IT operations.
  • Troubleshoots hardware and software errors by running diagnostics, documenting problems and resolutions, and prioritizing issues based on impact.
  • Creates and maintains comprehensive system documentation, including configuration guides, troubleshooting procedures, and inventory records, while performing regular backup operations and implementing data protection measures.
  • Provides support to Desktop and Enterprise Service Desk Teams, monitors installed systems and infrastructure for optimal performance and resource use and receives guidance from senior staff.

Minimum Qualifications:

  • Bachelors' degree in an IT-related discipline of 4 additional years' experience may be exchanged in lieu of a degree
  • 4+ years of experience with 2+ years of position-specific relevant experience.
  • Must hold two certifications (Obtained or renewed within the past 2 years):
  • DoD 8570.01-M IAT Level II certification
  • Microsoft AZ-104 OR MD-102 (Must be obtained within 30 days of starting)

Desired Qualifications:

  • Experience with scripting languages and automation tools such as Ansible, Salt, or Puppet.
  • Relevant industry-standard certifications such as Microsoft, Red Hat Linux, AWS, VMware, CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP.
  • Experience at a DoD Combatant Command (e.g., SOUTHCOM, NORTHCOM, CENTCOM, CYBERCOM, INDOPACOM, EUCOM, AFRICOM, STRATCOM, TRANSCOM, SOCOM, SPACECOM) or a component is desired.

Clearance Requirements:

  • Must have an active Secret clearance.
  • Must be eligible to obtain and maintain a TS/SCI clearance.

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 frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

About the Company

M

ManTech International Corp

Our Mission Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day. Our Vision Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech. Our Values Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to: • TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always. • INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers. • QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
COMPANY SIZE
5,000 to 9,999 employees
INDUSTRY
Other/Not Classified
FOUNDED
1968
WEBSITE
https://www.mantech.com/about