Systems Administrator (RHEL)

UltraViolet Cyber; Herndon (VA); Hybrid; USD 90,000 - 130,000; Full time

Job summary

UltraViolet Cyber is seeking a RHEL system administrator / infrastructure engineer to support a SOC Engineering team. You will handle RHEL provisioning, patching, STIG compliance, backups, and configuring hardware/software to support new capabilities.

Active Secret Clearance and 1–2 days/week onsite in Herndon, VA are required. The role involves collaboration with analysts and engineers to align telemetry ingestion with detection and compliance needs.

Qualifications

• 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 and 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, Microsoft 365, identity platforms, EDR, firewalls, and network security tools.
• Familiarity with regex, JSON parsing, syslog, and API-based log collection.

Responsibilities

• 4+ years of hands-on experience administering and engineering RHEL servers in production environments.
• Support a SOC, SIEM, or cyber defense environment.
• Collaborate with analysts and engineers to align telemetry inges on with detection, monitoring, and compliance requirements.

Skills

RHEL administration

SIEM experience

Bash

Python

Ansible scripting

Windows administration

Git & DevOps

Regex & JSON parsing

Syslog & API logs

Tools

Splunk Enterprise Security

CIM

Data models

Security content

Ansible

AWS

Azure

Microsoft 365

EDR

Job description

Make a difference here.

UltraViolet Cyber is a leading platform-enabled unified security operations company providing a comprehensive suite of security operations solutions. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams.

By creating continuously optimized identification, detection, and resilience from today’s dynamic threat landscape, UltraViolet Cyber provides both managed and custom-tailored unified security operations solutions to the Fortune 500, Federal Government, and Commercial clients. UltraViolet Cyber is headquartered in McLean, Virginia, with global offices across the U.S. and in India.

We are seeking a RHEL system administrator / infrastructure engineer to support a SOC Engineering team responsible for expanding security visibility across cloud and on-premises environments. This engineer will be responsible for RHEL system provisioning, patching, STIG compliance, backups, and configuring existing hardware and software to support new software and capabilities. The ideal candidate is a hands‑on engineer with strong SIEM platform experience and a solid understanding of enterprise RHEL deployments and an understanding of SOC operations and support.

The position requires an Active Secret Clearance and 1-2 days per week onsite in Herndon, VA.

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

$90,000 - $130,000 a year

UltraViolet Cyber maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect our company's differing products, services, industries and lines of business. Candidates are typically placed into the range based on the preceding factors.

We sincerely thank all applicants in advance for submitting their interest in this position. We know your time is valuable.

UltraViolet Cyber welcomes and encourages diversity in the workplace regardless of race, gender, religion, age, sexual orientation, gender identity, disability, or veteran status.

If you want to make an impact, UltraViolet Cyber is the place for you!