Source Job

$104,000–$166,000/yr

  • Leverage Red Hat and Oracle Linux experience to deliver measurable results in a fast-paced, professionally challenging environment.
  • Perform Linux Administration using AAP, Satellite, and Puppet to automate system builds, upgrades, patching, and hardening.
  • Provide T3 level support for Red Hat Enterprise and Oracle Linux environments and train junior team members on O&M tasks.

Red Hat Enterprise Linux Ansible Automation Security

13 jobs similar to Senior Linux Systems Administrator

Jobs ranked by similarity.

US

  • Administer and secure enterprise Red Hat Linux and Windows infrastructure, ensuring reliability and compliance.
  • Perform STIG/SCAP compliance, ACAS vulnerability scanning, and PKI certificate management.
  • Monitor performance, apply patches, and collaborate with teams to resolve technical issues.

The company provides enterprise IT infrastructure and security services, maintaining critical systems and ensuring compliance with federal standards. The team operates fully remotely, emphasizing cross-functional collaboration and a security-focused culture.

United States

  • Provide advanced technical support for the Dragos Platform, handling escalated tickets requiring deep troubleshooting and technical analysis.
  • Investigate and resolve complex issues involving Kubernetes, Linux, hardware, cloud infrastructure, and various other components.
  • Collaborate with internal teams to share insights, improve support processes, and contribute to knowledge base content.

Dragos is the global leader in OT cybersecurity, combining technology, threat intelligence, and expert services to protect critical infrastructure. They are a remote-first mission-driven team across North America, Europe, the Middle East, and APAC built on authenticity, transparency, and trust.

Global

  • Provide 24/7 operational support for Linux, Windows, and cloud-based infrastructure.
  • Monitor system integrity, perform backups, resolve incidents, and maintain documentation.
  • Administer cloud platforms, virtualization, and automation using scripting tools.

Miratech is a global IT services and consulting company that supports digital transformation for large enterprises. It retains nearly 1,000 full-time professionals across 25+ countries with a culture of Relentless Performance.

$110,000–$140,000/yr
US

  • Lead customer onboarding, platform implementation, and ongoing performance reviews to deliver continuous value.
  • Build Automox policies, device groups, and patching workflows aligned with each customer's operational needs.
  • Troubleshoot patching and endpoint issues, document findings, and escalate to support and engineering when needed.

Automox is a cloud-native IT operations platform that automates endpoint management, patching, and configuration for modern organizations. It is a fully distributed company trusted by over 2,500 companies and MSPs worldwide, with a collaborative, ownership-driven culture.

Global 5w PTO

  • Maintain and support Linux-based infrastructure across bare-metal, private cloud, and public cloud environments.
  • Troubleshoot incidents, manage infrastructure changes, and automate operational processes.
  • Collaborate with remote colleagues to deliver reliable IT services and resolve technical requests.

This position is listed by Jobgether on behalf of a partner company, a remote-first, international technology organization. They operate Linux-based infrastructure across bare-metal, private cloud, and public cloud environments, and emphasize a collaborative culture with continuous learning and ownership.

$77,283–$179,048/yr
US

  • Design, implement, and support high-transactional systems with direct customer, revenue, or compliance impact.
  • Analyze and resolve system problems, including root cause analysis and long-term remediation plans.
  • Mentor less experienced staff and promote best practices in capacity, configuration, and automation.

Mercury Insurance helps people reduce risk and overcome unexpected events, serving customers for over 60 years. They have a diverse team and offer competitive compensation and benefits.

$124,301–$134,017/yr
US

  • Maintain and administer Oracle on Solaris and Linux systems.
  • Serve as lead specialist on Solaris issues and coordinate team efforts.
  • Develop and maintain procedures for backups, recovery, and diagnostics.

DMI is a leading provider of digital services and technology solutions, supporting public sector agencies and commercial enterprises globally. Recognized as a Top Workplace, DMI is committed to delivering secure, efficient, and cost-effective solutions.

$80,000–$128,000/yr
US

  • Create, refine, and execute procedures for TFDM software installations at sites and in lab environments
  • Create AIMS tickets and status reports to track discrepancies, adaptations, and installation progress
  • Collaborate with teammates, site personnel, and vendors to resolve installation and operational issues

Peraton is a next-generation national security company that drives missions of consequence spanning the globe. As a leading mission capability integrator, it delivers trusted solutions to protect our nation and allies.

US

  • Serve as the primary contact for incoming support requests, triaging cases by severity and troubleshooting common issues.
  • Use AI tools to draft responses and document cases thoroughly while maintaining ownership.
  • Participate in weekend on-call rotation and contribute to knowledge base using KCS practices.

Dragos is the global leader in operational technology (OT) cybersecurity, protecting critical infrastructure like water, power, and hospitals. Their remote-first team across multiple continents is built on authenticity, transparency, and trust.

US

  • Ensure stable operation of computer software systems and network connections supporting the DLA Disposition Integration Web (DIW) Program Office.
  • Apply advanced technical knowledge of application networking, load balancing, fault tolerance, and vulnerability management.
  • Automate repeatable administrative tasks using PowerShell, Bash, Python, configuration management, or infrastructure-as-code tools.

Zantech is a dynamic Woman Owned Small Business focused on providing complex, mission-focused solutions with a proven track record of outstanding customer performance and high employee satisfaction. The company strives for excellence, values long-term relationships, and offers a fast-paced and exciting work environment.

Portugal

  • Provide first-level operational support and monitor infrastructure alerts for Linux and Windows systems.
  • Configure, maintain, and troubleshoot web servers, load balancers, TLS certificates, and database environments.
  • Work rotating shifts, including nights and weekends, to ensure service stability and reliability.

The company is a technology organization seeking a Systems Engineer for their cloud adoption and IT operations team. They promote a collaborative culture with continuous learning and professional development.

Canada

  • Engineer, harden, and operate security controls across on-premises, cloud, and isolated infrastructure.
  • Build automation and infrastructure-as-code that streamlines security operations, reporting, and remediation.
  • Partner with infrastructure, application, and platform owners to drive remediation and track compliance against CIS and NIST baselines.

ServiceNow provides an AI platform for business reinvention, helping 85% of the Fortune 500 work smarter. It is a large global company with a culture centered on innovation and automation, aiming to free people from busywork.

$135,000–$216,000/yr
US

  • Examine FAA facilities and develop Site Specific Implementation Plans for National Airspace System upgrades.
  • Install or oversee installation of new hardware and software systems, including configuration management and acceptance inspections.
  • Collaborate with vendors and FAA personnel to ensure end-to-end site completion and operational readiness.

Peraton is a next-generation national security company that drives missions of consequence across land, sea, space, air, and cyberspace. As a leading mission capability integrator, it serves as a trusted partner to government agencies and supports every branch of the U.S. armed forces.