Linux System Administrator

ManTech

  • Fort Meade, MD
  • Permanent
  • Full-time
  • 13 days ago
ManTech seeks an experienced and passionate, career and customer-oriented System Administrator to join our team located in the Fort Meade, MD area.Responsibilities include, but are not limited to:
  • Design, engineer, and implement automated hardening scripts for internal servers adding scalability while circumventing manual process for new operating system rollout.
  • Configure host-based intrusion detection systems.
  • Monitor and troubleshoot/examine detected anomalies.
  • Developed automation script adding new servers to IPA replacing human error and manual process
  • Analyze system and security logs while responding to discovered real time events providing SOC status updates.
  • Engineer ansible script automating creation of user accounts in IPA replacing manual process
  • Review audits confirming hardening script successfully executed while checking for other vulnerabilities and/or configuration errors.
  • Host design and review meetings providing security insight, team updates, goals, projections to branch management.
Minimum Qualifications:
  • Bachelor’s degree in computer science or a related discipline
  • 10+ years’ of experience in systems administration of hardware and software in support of developing and testing of information technology systems; an Associates degree and 5 additional years’ experience might be substituted for a degree.
  • Heavy Windows and Linux administration experience
  • Highly proficient with Active Directory
  • Experience with virtualization
  • Experience with PowerShell scripting
  • Experience with Keycloak
  • Experience using Ansible or comparable tools
  • Experience with cross-domain solutions or NiFi
  • Experience with integrated processing environments such as a Storage Area Network
Preferred Qualifications:
  • Experience with DevOps tools such as Docker, Kubernetes, SALT, Puppet desirable
  • Experience writing scripting languages (Bash, Shell, Python, Perl)
  • Experience with working with a team to introduce and integrate new technologies into existing production environments
  • Experience in working with applicable network devices to include routers and switches, gateways and hubs
  • Experience with computer networking protocols including, but not limited to TCP, IP, UDP, HTTP, DHCP, and DNS
Clearance Requirement:
  • Must have a current/active TS/SCI with Poly
Physical Requirements:
  • Must be able to remain in a stationary position at least 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer.

ManTech