Linux System Administrator

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 International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.