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Sr. Unix System Administrator Jobs (NOW HIRING)

FEDITC LLC

Unix Systems Administrator

Hampton, VA

Review security, network, and system auditing and remedy identified anomalies * Analyze and resolve problems associated with UNIX server hardware, operating systems, applications software while ...

OBXtek

Unix Systems Admin

Hampton, VA · On-site

Solid Financial Resources and low Employee Turnover (5%) The Unix Admin will be responsible to: • ... Support trouble tickets submitted via the electronic problem reports system. • Prepare systems ...

ESM

Senior Unix Administrator - Remote

Dayton, OH · On-site +1

$115K - $125K/yr

We are hiring a Senior Unix Administrator for an exciting remote opportunity. and Responsibilities ... Provide and administer UNIX and Linux NIPRnet and SIPRnet Operating Systems to ensure effective day ...

ESM

Senior Unix Administrator - Remote

Dayton, OH

We are hiring a Senior Unix Administrator for an exciting remote opportunity. and Responsibilities ... Provide and administer UNIX and Linux NIPRnet and SIPRnet Operating Systems to ensure effective day ...

ESM

Senior Unix Administrator - Remote

Dayton, OH · Remote

$115K - $125K/yr

We are hiring a Senior Unix Administrator for an exciting remote opportunity. and Responsibilities ... Provide and administer UNIX and Linux NIPRnet and SIPRnet Operating Systems to ensure effective day ...

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Sr Unix System Administrator information

What are some common challenges faced by Sr. Unix System Administrators in maintaining large-scale enterprise environments?

Sr. Unix System Administrators often encounter challenges such as managing complex system architectures, ensuring high availability, and minimizing downtime during critical updates or migrations. Balancing security with user accessibility, staying current with rapidly evolving technologies, and responding to incidents promptly are also key responsibilities. Collaboration with development, network, and security teams is essential to troubleshoot multifaceted issues and implement robust, scalable solutions.

What does a Sr. Unix System Administrator do?

A Sr. Unix System Administrator is responsible for managing and maintaining Unix-based servers and systems within an organization. Their duties include installing, configuring, and upgrading Unix operating systems, monitoring system performance, ensuring security, and troubleshooting issues. They also perform backups, manage user accounts, automate routine tasks using scripting, and provide technical support to other IT staff. Senior administrators often mentor junior team members and help design system architecture to ensure reliability and scalability.

What are the key skills and qualifications needed to thrive as a Sr. Unix System Administrator, and why are they important?

To thrive as a Sr. Unix System Administrator, you need deep expertise in Unix/Linux operating systems, scripting, troubleshooting, and a strong background in IT infrastructure, often supported by a bachelor’s degree and relevant experience. Familiarity with configuration management tools (like Ansible or Puppet), virtualization platforms, shell scripting, and certifications such as RHCE or CompTIA Linux+ are typically required. Exceptional problem-solving, communication, and teamwork skills help you effectively manage complex environments and collaborate with cross-functional teams. These skills are crucial for ensuring system reliability, security, and optimal performance in mission-critical enterprise settings.

What is the difference between Sr. Unix System Administrator vs Linux Systems Engineer?

AspectSr. Unix System AdministratorLinux Systems Engineer
CertificationsUnix/Linux certifications (e.g., LPIC, RHCE)Linux certifications (e.g., RHCE, CompTIA Linux+)
Work EnvironmentUnix-based servers, enterprise data centersLinux servers, cloud environments
Industry UsageFinancial, healthcare, governmentTech companies, startups, cloud providers
Job FocusMaintaining Unix systems, troubleshooting, scriptingDesigning, deploying, optimizing Linux infrastructure

The main difference is that Sr. Unix System Administrators focus on managing and maintaining Unix-based systems in enterprise environments, while Linux Systems Engineers are more involved in designing and deploying Linux infrastructure, often in cloud or development settings. Both roles require similar certifications and technical skills but differ in scope and application.

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What job categories do people searching Sr. Unix System Administrator jobs look for? The top searched job categories for Sr. Unix System Administrator jobs are:
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Infographic showing various Sr. Unix System Administrator job openings in the United States as of May 2026, with employment types broken down into 3% Internship, 20% As Needed, 13% Full Time, 13% Part Time, 9% Temporary, and 42% Contract. Highlights an 87% Physical, 6% Hybrid, and 7% Remote job distribution.
Sr UNIX Systems Administrator

Sr UNIX Systems Administrator

Options Group

Raleigh, NC

Contractor

Posted just now

Job description

Company Description

Options Group is a leading global executive search and strategic consulting firm specializing in financial services including capital markets, global markets, alternative investments, hedge funds, and private banking/wealth management.
For more than 25 years, our clients and candidates have come to know that Options Group always exceeds expectations. Our innovative approach to facilitating limitless search possibilities for our clients and candidates around the world has been recognized as the industry standard. Through our global footprint (15 offices spread across 4 continents), Options Group has the resources, analytics and experience to drive the acquisition of top tier talent for firms of any size. Options Group is on the forefront, pioneering a new generation of human talent management solutions, where research meets recruiting for optimal strategic results. OG is hands-on in providing a superior range of innovative options for financial services & tech clients and candidates.

Job Description

This role requires SME skills in the following areas:

Diagnose production problems on Unix host leveraging standard debugging tools for hardware, CPU capacity, memory, network, and I/O.

Manage Performance and Capacity, collect metrics for analysis and leverage for performance, stability and overall environment enhancement.

Ability to coordinate changes across Storage, Network, Database and application specific changes Good communication skills Ability to run projects and provide management updates Ability to follow up with vendors for root cause analysis Ensure Unix systems are maintained to the established baselines to eliminate single points of failure as well as to comply with internal and external regulatory controls.

Support of End of Life, quarterly OS patching, and DR test initiatives

Qualifications

Qualifications:

Knowledge of core Unix ecosystems such as AD/Centrify, GLDAP, NIS, DNS and NFS, 10+ years Knowledge of Linux (Red Hat 5 & 6 and SLES 10), 10+ years.

Knowledge of Solaris 10 is highly desirable although greater focus on Linux as a growth area.

Performance analysis and tuning, 10+ years.

SME knowledge of storage multipathing (PowerPath, VxDMP, RedHat DM) SME Knowledge of disk management tools such as DiskSuite, LVM, VxVM, 10+ years SME knowledge of network resiliency tools such as (IPMP, Nic teaming).

Knowledge of clustering tools such as Veritas Cluster server, Red Hat Clustering, 10+ years.

Knowledge of SAN technology and its impact on the server environment, 10+ years.

Troubleshooting Skills (CPU, I/O, network, and Memory), 10+ years.

TCPIP stack10+ years.

Shell/Perl Scripting, 7+ years.

Distributed Systems Management, 10+ years.

Knowledge and Support of large DB environments such as Oracle Rac, Sybase, Sybase IQ, 10+ years Knowledge of Puppet, Spacewalk or RedHat Satellite is a requirement for this role.

Additional Information

Interested candidates please contact


Abhishek Agarwal

aagarwal(at)optionsgroup.com

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