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Senior Linux Operations Engineer

2 months ago

Columbia, South Carolina, United States ManTech Full time

Protect Our Nation, Empower Your Future

Join a dynamic team at an esteemed organization where our workforce is our top priority. At ManTech International Corporation, you will contribute to safeguarding national security while engaging in pioneering projects that provide avenues for professional growth.

We are currently seeking a dedicated and skilled Linux Operations Engineer to enhance our team.

Key Responsibilities:

  • Perform Linux system administration tasks, including operating system installation, updates, LDAP management, DNS configuration, DHCP setup, Samba file sharing, SSH, VNC, and user/group administration.
  • Establish and configure Linux servers, ensuring seamless data sharing with other systems, including Windows-based environments.
  • Evaluate system vulnerabilities using tools such as SecScan and Nessus, implement system hardening measures, and conduct regression testing at both system and application levels.
  • Administer and implement antivirus solutions to safeguard systems.
  • Utilize shell scripting (Bash and others) to enhance efficiency in system administration, troubleshooting, and automation tasks.
  • Execute Windows system administration duties, including OS installation, updates, Active Directory management, Remote Desktop configuration, and policy implementation.
  • Set up Windows servers (e.g., Server 2019, Server 2022) and clients (e.g., Windows 7, 8, 10, 11), ensuring compatibility and data sharing with Linux servers.
  • Conduct vulnerability assessments on Windows systems, apply hardening techniques, and perform regression testing.


Essential Qualifications:

  • A minimum of ten (10) years of experience as a System Administrator in similar programs and contracts.
  • A Bachelor's degree in a technical field from an accredited institution is required; alternatively, five (5) years of additional experience may substitute for the degree.

Preferred Qualifications:

  • Possession of IAT Level II certification, such as Security+ (Sec+), or the ability to obtain it.
  • Basic knowledge of Risk Management Framework (RMF) processes and requirements.
  • Familiarity with router and switch configuration, essential for system hardening and compliance scanning.
  • Experience with Elastic (ELK) Stack configuration and user interface.
  • Proficiency in PowerShell scripting to streamline system administration and automation tasks.
  • Experience in installing, integrating, and troubleshooting Government Off-The-Shelf (GOTS) and Commercial Off-The-Shelf (COTS) software on both Windows and Linux servers.

Security Clearance Requirements:

  • Current and active TS/SCI clearance with Polygraph.

For positions requiring access to technology or software subject to export control laws, employment is contingent upon verifying U.S. person status or obtaining necessary licenses. Compliance personnel will review applicant information to ensure adherence to federal regulations.

ManTech International Corporation and its subsidiaries are committed to equal opportunity employment. We do not discriminate against any employee or applicant based on race, color, sex, religion, age, sexual orientation, gender identity, national origin, marital status, disability, or veteran status.

If you require accommodations to apply for a position with ManTech, please reach out to our Corporate EEO Department.

ManTech is an affirmative action/equal opportunity employer, encouraging applications from minorities, females, disabled individuals, and protected veterans. We do not accept unsolicited resumes from recruitment agencies.