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Systems Administrator (RHEL)

mosaic451 Herndon, VA

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  • 32 open roles at this company in 30 days (mass-hiring blitz)

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About the role

What You'll Do:

4+ years of hands-on experience administering and engineering RHEL servers in production environments

Experience with distributed enterprise services, DNS, firewalls, switches, NAS, backup solutions, load balancers, and server hardware.

Experience with patching, OS hardening, application hardening, and STIG compliance.

Experience with automating server management tasks with ansible, PowerShell, Bash, or Python scripts.

Experience supporting a SOC, SIEM, or cyber defense environment

Working knowledge of and Windows administration

Ability to collaborate with analysts and engineers to align telemetry inges on with detection, monitoring, and compliance requirements

What You've Have:

US Citizenship is Required

Active Secret Clearance is Required

Hands-on experience administering Cisco network devices in production environments

Experience with GIT, and DevOps principles

Experience using wri ng Ansible scripts to manage RHEL hosts

Familiarity with Splunk Enterprise Security, CIM, data models, and security content dependencies

Experience with cloud infrastructure AWS, Azure, Microso 365, iden ty pla orms, EDR, firewalls, and network security tools

Familiarity with regex, JSON parsing, syslog, and API-based log collection

Preferred Skills:

Hands-on experience administering Cisco network devices in production environments

Experience with GIT, and DevOps principles

Experience using & writing Ansible scripts to manage RHEL hosts

Familiarity with Splunk Enterprise Security, CIM, data models, and security content dependencies

Experience with cloud infrastructure AWS, Azure, Microso 365, iden ty pla orms, EDR, firewalls, and network security tools

Familiarity with regex, JSON parsing, syslog, and API-based log collec on

What We Offer:

401(k), including an employer match of 100% of the first 3% contributed and 50% of the next 2% contributed

Medical, Dental, and Vision Insurance (available on the 1st day of the month following your first day of employment)

Group Term Life, Short-Term Disability, Long-Term Disability

Voluntary Life, Hospital Indemnity, Accident, and/or Critical Illness

Participation in the Discretionary Time Off (DTO) Program

11 Paid Holidays Annually

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