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Senior Systems Administrator

MANTECH

Yesterday
Secret
Unspecified
Unspecified
IT - Hardware
Doral, FL (On-Site/Office)

ManTech is seeking a motivated, career and customer-oriented Senior Systems Administrator to join our team in Doral, FL

Responsibilities include but are not limited to:
  • Leads the maintenance, configuration, and reliable operation of complex IT infrastructure, including servers, networks, and virtualization technologies, particularly in critical or high-security environments.
  • Possesses advanced expertise in operating systems, server hardware, virtualization platforms, network infrastructure, and cybersecurity best practices.
  • Installs, configures, and upgrades intricate systems and software, optimizing performance, security, and availability.
  • Diagnoses and resolves complex hardware and software issues using advanced troubleshooting tools and techniques.
  • Develops and maintains comprehensive system documentation, including configuration guides, troubleshooting procedures, and Disaster Recovery Plans.
  • Drives the implementation of automation processes to enhance IT operational efficiency and contributes to strategic infrastructure projects.
  • Provides leadership, direction, and mentorship to subordinate Systems Administrators, fostering team growth and technical proficiency.


Minimum Qualifications:
  • BA/BS in field necessary to assume Senior Systems Administrator duties or 4 years of additional experience in lieu of a degree.
  • 9+ years of experience with 5+ years of relevant Systems Administrator III experience.
  • Proven expertise in managing and maintaining complex IT infrastructure, including operating systems (Windows Server, Linux), server hardware, and network components.
  • Advanced proficiency in virtualization technologies (e.g., VMware, Hyper-V) and strong skills in scripting and automation (e.g., PowerShell, Bash).
  • Deep understanding of system security best practices, hardening techniques, and comprehensive troubleshooting methodologies for hardware and software.
  • Familiarity with IT Service Management (ITSM) principles and practices.
  • Exceptional analytical and problem-solving abilities, with a track record of identifying root causes and implementing effective solutions for complex technical issues.
  • Ability to obtain DoD 8570.01-M IAT Level II certification within six months of starting work on the Task Order.

Desired Qualifications:
  • Master's degree in Computer Science, Information Technology, or a related field. Experience with cloud computing platforms (e.g., AWS, Azure, GCP).
  • Knowledge of containerization technologies (e.g., Docker, Kubernetes).
  • Familiarity with DevOps practices and tools. Experience with monitoring and performance tuning of systems.
  • Relevant certifications in systems administration (e.g., Microsoft Certified Solutions Expert (MCSE), Red Hat Certified Systems Administrator (RHCSA), CompTIA Server+).
  • 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


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.
group id: RTX14564a

ManTech Corporate Capabilities

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About Us
As the Employer of Choice in the government services and solutions industry, ManTech seeks like minds who exhibit a sense of service, creativity and dedication. The ManTech family comprises a diverse yet united group of nearly 8,000 talented professionals around the globe, each bringing distinct backgrounds and skill sets to the team. Nearly half of us are veterans.

Our diversity makes us successful. Each team member is a unique piece of the puzzle, coming together to solidify our seamless foundation. As One ManTech, we learn together, we win together and we celebrate together.

Rich educational opportunities and programs help employees break through career barriers. ManTech offers tuition assistance, partnerships with universities and institutions, a Technical Recognition Awards program, professional groups that comprise our Communities of Practice and so much more. Our own acclaimed ManTech University offers instruction and resources needed for professional development.
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MANTECH Jobs


Job Category
IT - Hardware
Clearance Level
Secret
Employer
MANTECH