ManTech International

Senior Systems Engineer

ManTech International$98K — $163K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree and 5+ years of relevant Linux/RHEL experience or equivalent work experience in lieu of degree
  • Hands-on command-line experience with configuration and implementation of Linux or RHEL in on-premise setups
  • Familiarity with Active Directory, DNS, and DHCP
  • Proven experience with Linux and RHEL upgrades, migrations, and deployments
  • IAT Level III/DoD 8140 Advanced certification to be obtained within 6 months of hire
  • Must hold a current Top Secret security clearance and be willing to obtain a CI polygraph

Responsibilities

  • Provide Tier III IT Systems support for Linux/RHEL server environments
  • Install, configure, and maintain Linux/RHEL servers to ensure their reliability and security
  • Diagnose and resolve performance and security challenges related to Linux/RHEL
  • Monitor performance, capacity, and backups, and implement system updates
  • Investigate operational issues and collaborate with engineering teams for resolutions
  • Lead the development of system processes and train team members
  • Write Standard Operating Procedures for repeatable tasks

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Short-term and long-term Disability
  • Retirement and Savings options
  • Learning and Development opportunities
  • Wellness programs
Full Job Description
MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Chantilly, VA. The position is onsite.

Responsibilities include but are not limited to:
  • Provide Tier III IT Systems support for customer Linux or Red Hat Enterprise Linux (RHEL) server environments
  • Install, configure, maintain, and optimize Linux and RHEL Server environments to ensure reliable and secure infrastructure
  • Diagnose and resolve the performance, security, and/or technical challenges related to the platforms listed above
  • Monitor performance, capacity, and backups; perform test restores and implement system updates, patches, and improvements
  • Investigating and resolving operational problems in conjunction with other engineering and technical personnel
  • Lead the development and documentation of system processes and train team members to ensure operational consistency and knowledge transfer
  • Writing Standard Operating Procedures (SOPs) to accomplish repeatable tasks
  • Working on project teams responsible for engineering and packaging releases to integrate within the customer's production IT environment
  • Contribute to strategic planning, solve complex technical problems, and lead Linux and RHEL engineering projects or functional teams when required
  • Participating in processes throughout all phases of the ITIL Service Lifecycle, including submitting Change Requests
  • Performing requirements analysis, requirements gathering, and integration for all platforms listed above
  • Willingness to occasionally work after normal duty hours (nights and weekends) to support system maintenance or service outages


Minimum Qualifications:

  • Bachelor's degree with 5+ years of relevant Linux or RHEL experience, an Associates degree with 8+ years of experience, or a High School Diploma with an 11+ years of experience may be substituted for a Bachelor's degree
  • Hands-on experience or knowledge with configuration and implementation at command-line interface, of Linux or RHEL Server technologies within an on-premise infrastructure
  • Experience with Active Directory, Domain Name System (DNS), and Dynamic Host Configuration Protocol (DHCP)
  • Experience performing Linux and RHEL server upgrades, migrations, and deployments
  • IAT Level III/DoD 8140 Advanced certification, e.g., SecurityX or CASP+ within 6 months of hire
  • DoD 8570 Computing Environment certification within 6 months of hire


Preferred Qualifications:

  • Red Hat Certified System Administrator (RHCSA) certification
  • Experience with scripting languages such as Bash, Python, or Perl to automate system tasks
  • Familiarity with configuration management tools like Ansible to maintain system baselines
  • ITIL v.3 Foundations or later certification highly desired
  • Experience using a Service Desk ticketing system, such as TrackIT or ServiceNow
  • Previous customer service experience strongly desired


Clearance Requirements:

  • Must have a current and active Top Secret clearance, and be willing and able to obtain a CI 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 access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations


The projected compensation range for this position is $98,000.00-$163,100.00. 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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