ManTech International

Sr. Linux/VMware System Administrator

ManTech International$128K — $214K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree with 12+ years or Associate's degree with 15+ years of System Administration experience.
  • Senior level experience in Linux Systems Administration.
  • Proficient in VMWARE, vSphere, and VCF.
  • Skilled in server and hardware maintenance.
  • Knowledgeable in security-related patching and updating of Linux distributions.

Responsibilities

  • Provide Tier 1 and Tier 2 problem identification, diagnosis, and resolution.
  • Support day-to-day IT systems operations and monitor client/server/storage/network devices.
  • Configure and manage Linux (and possibly Windows) operating systems, ensuring security compliance.
  • Patch and update Linux distributions to address security vulnerabilities.
  • Manage user accounts and set user permissions appropriately.
  • Apply fixes and updates based on STIGs for vulnerabilities.
  • Renew Linux server certificates and apply TLS security updates.
  • Utilize automation tools like ANSIBLE for efficient updates and patch management.

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Disability Coverage (short-term and long-term)
  • Retirement and Savings Plan
  • Learning and Development Opportunities
  • Wellness Programs
Full Job Description
Description & Requirements

MANTECH seeks a motivated, career-driven, and customer-focused Sr. Linux/VMWare System Administratorto join our team in Laurel, MD.

This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO's Enterprise Information Technology (EIT), the foundation for enterprise-wide services. As a Senior System Administrator, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the implementation and compliance of advanced EIT capabilities through Data Center & Compute Services.

Responsibilities include, but are not limited to:
  • Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems.
  • Provide support to IT systems including day-to-day operations, monitoring & problem resolution for all the client/server/storage/network devices, etc.
  • Configure and manage Linux, and possibly Windows operating systems, installs/loads operating system software and patches to maintain security compliance, troubleshoot, maintain integrity of and configure network components, along with implementing operating system enhancements to improve reliability & performance.
  • Patching and updating Linux distributions regarding security findings.
  • Adding / Removing users and setting permissions to meet certain user privileges.
  • Working with STIGs and fixing/updating vulnerabilities with STE/STN findings.
  • Renew Linux server certificates and applying updates to TLS security versions.
  • Working with automation software such as ANSIBLE to streamline updates and patching.


Minimum Qualifications:
  • Bachelor's degree with 12+ years of relevant System Administration experience OR Associates degree with 15 years of relevant System Administration experience
  • Senior level Linux Systems Administration experience is required
  • Experience with VMWARE, vSphere, VCF (VMware Cloud Foundations)
  • Server and Hardware maintenance
  • Knowledge of patching & updating Linux distributions regarding security findings.


Preferred Qualifications:
  • 20 years of relevant System Administration experience (no degree requirement)
  • Experience with Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems.
  • Experience with monitoring tools like NAGIOS.


Clearance Requirements:
  • Must possess and maintain a current/active TS/SCI clearance with Polygraph

Physical Requirements:
  • Must be able to remain in a stationary position 50% of the time
  • Occasionally moves about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicate with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations


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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