ManTech International

Senior Linux System Administrator

ManTech International$128K — $214K *
Information Technology
15+ years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in a technical discipline or equivalent experience (5 years)
  • 20+ years as a System Administrator or related experience
  • Proficient in troubleshooting Linux Red Hat environments
  • Experience with VMWare
  • Familiarity with automation/configuration tools like Splunk or Ansible
  • IAT I certification required within 60 days (e.g., A+, Security+)
  • Active Top Secret/SCI clearance with Polygraph

Responsibilities

  • Configure and manage Linux operating systems
  • Support implementation, troubleshooting, and maintenance of IT systems
  • Manage infrastructure and processes related to IT systems
  • Assist in dispatch and hardware problem resolutions
  • Optimize system operations and perform capacity analysis
  • Analyze and resolve complex server and application issues

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Short-term and long-term Disability
  • Retirement and Savings
  • Learning and Development opportunities
  • Wellness programs
Full Job Description
Description & Requirements

ManTech seeks a motivated, career and customer-oriented LinuxSystem Administrator to join our team in Laurel, MD.

You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization-the foundation of all Enterprise Information Technology (EIT) for MPO.

Responsibilities include but are not limited to:
  • Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
  • Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.
  • Manage IT system infrastructure and any processes related to these systems. Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the dispatch system and hardware problems and will remain involved in the resolution process.
  • Optimize system operations and resource utilization and perform system capacity analysis and planning.
  • Analyze and resolve complex problems associated with server hardware, applications and software integration.


Minimum Qualifications:
  • Bachelor's degree in a technical discipline from an accredited college or university; an additional 5 years of related experience might be substituted for a degree.
  • 20+ years of experience as a System Administrator or related experience in programs and contracts of similar scope, type, and complexity.
  • Proficient with troubleshooting in a Linux Red Hat environment.
  • Experience with VMWare
  • Demonstrated experience with modern automation/configuration tools such as Splunk or Ansible
  • IAT I certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include A+ CE/CCNA-Security/CND/Network+ CE /CySA+/GICSP/GSEC/Security+ CE/CND/SSCP)


Preferred Qualifications:
  • Experience/familiarization with full lifecycle management of Linux systems, to include provisioning, configuration management and patching.
  • Red Hat Certified System Administration Certification.
  • Experience with NetAPP


Clearance Requirements:
  • Must have a current/active Top Secret/SCI with Polygraph


Physical Requirements:
  • The person in this position must be able to remain in a stationary position 50% of the time.
  • Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication.


The projected compensation range for this position is $128,000.00-$214,400.00. 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 location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

About ManTech International

ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
Learn more about ManTech International
Size
9,800 employees
Market Cap
$3.7 billion
Industry
Net Income
$120.5 million
Founded
1968
5 Year Trend
+9.8%
Revenue
$2.5 billion
NASDAQ

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