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ManTech

Government cybersecurity, analytics, and IT services

Cloud System Administrator

System AdministrationConfirmed live in the last 24 hours
Full-timeAnnapolis Junction, MD, USA$128k - $214.4kIn-person

About the Job

Requirements

  • 14+ years of experience as a Systems Administrator or Cloud Engineer supporting programs of similar scope and complexity.
  • A bachelor's degree in a technical or engineering discipline; an additional five years of related experience may be substituted for a degree.
  • Must hold an IAT II certification, such as Security+ or equivalent, or obtain it within 60 days of the program start date.
  • Experience with AWS and other cloud technologies.
  • Experience with Amazon Linux 2023, Linux RHEL 8/9, and Windows Server 2016/2022.
  • Ability to work independently and manage multiple tasks.
  • Troubleshooting and communication skills.
  • Must have a current and active TS/SCI with Polygraph.
  • Ability to move, carry, and deliver workstations from the office to customer desks.
  • Ability to remain in a stationary position 50% of the time.
  • Ability to communicate with co-workers, management, and customers via email, phone, or virtual meetings, including delivering presentations, and to exchange accurate information.

Responsibilities

  • Manage and maintain server infrastructure in a hybrid environment, including on-premises systems and AWS cloud.
  • Administer and troubleshoot Linux systems, including Amazon Linux 2023 and RHEL 8/9, and Windows Server systems, including versions 2016 and 2022.
  • Configure and manage core services such as Active Directory, DNS, and Group Policy.
  • Deploy, configure, and maintain security-related services, including McAfee/Trellix agents and ePO, Tenable Nessus agents, and BigFix.
  • Use automation and scripting tools such as Salt, Bash, Python, and Ansible to streamline operations.
  • Support and maintain the security posture by addressing IAVAs and ensuring compliance with security standards.
  • Provide expert-level troubleshooting for complex technical issues.
  • Collaborate with other teams to design, implement, and maintain system solutions.

Desired Qualifications

  • Proficiency with automation and configuration management tools such as AWS Packer, AWS CloudFormation, and Ansible.
  • Experience with monitoring and security tools such as Splunk and BigFix.
  • Familiarity with DevOps tools such as GitLab and GitLab CI/CD.
  • Experience in data flow management using NiFi.
  • Experience with Windows-specific services, including IIS, certificate services, and federated services.
  • Strong background in security compliance and IAVA remediation.

About the Company

ManTech

Government cybersecurity, analytics, and IT services

ManTech provides technology and services to U.S. government customers in defense, intelligence, and federal civilian agencies. It delivers cybersecurity, data analytics, enterprise IT, logistics, intelligence lifecycle support, software development, systems engineering, mission operations, security, and training through government contracts that span strategy to operations with strict security compliance. Its differentiators include a national-security focus, end-to-end capabilities, long-term high-value contracts, and emphasis on specialized talent. The company aims to help government agencies modernize and protect critical infrastructure while pursuing sustainable growth and profitability.

Company size
10,001+
Company stage
IPO
Headquarters
Herndon, VA
Founded
1968

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