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Sr. Unix System Administrator Jobs (NOW HIRING)

LTIMindtree

Senior Unix System Administrator

Irving, TX · On-site

$82K - $111K/yr

Senior Unix System Administrator Location: Irving, Tx (Hybrid) The Infrastructure Technology Lead Analyst is senior level role responsible for managing Unix Infrastructure for Unified Sector teams ...

Intepros Federal

Senior UNIX System Engineer

Radford, VA · On-site

$99K - $135K/yr

The Senior UNIX System Engineer will work with the existing UNIX team to manage, maintain, deploy ... Five or more years of experience as a UNIX/Linux Systems Administrator or IT Engineer, including ...

E*Pro, Inc.

UNIX System Administrator

Irving, TX

Unix System Administrator Location : Irving, TX Job Type : Permanent Full Time US Citizen/ Green Card Holder/EAD (GC) can apply for this Job Required Skills: Minimum of 5-7 years of experience in ...

IntePros Federal

Senior UNIX System Engineer

Radford, VA · On-site

$99K - $135K/yr

The Senior UNIX System Engineer will work with the existing UNIX team to manage, maintain, deploy ... Five or more years of experience as a UNIX/Linux Systems Administrator or IT Engineer, including ...

Ops Tech Alliance

Senior UNIX System Engineer

Radford, VA

$99K - $135K/yr

Senior UNIX System Engineer ( Active SECRET clearance required ) Ops Tech Alliance (OTA) is seeking ... Key Responsibilities • Administer RHEL, OEL, and Solaris servers supporting production workloads ...

IntePros Federal

Senior UNIX System Engineer

Radford, VA

$99K - $135K/yr

The Senior UNIX System Engineer will work with the existing UNIX team to manage, maintain, deploy ... Five or more years of experience as a UNIX/Linux Systems Administrator or IT Engineer, including ...

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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.

More about Sr Unix System Administrator jobs
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:
Sr Unix System Administrator jobs near you
Infographic showing various Sr. Unix System Administrator job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.
Sr. Unix Systems Administrator

Sr. Unix Systems Administrator

Procom Consultants Group

Richardson, TX

$78K - $105K/yr

Contractor

Re-posted 17 days ago

Job description

Company Description

Procom is a leading provider of professional IT services and staffing to businesses and governments in Canada.
With revenues over $500 million, the Branham Group has recognized Procom as the 3rd largest professional services firm in Canada and is now the largest "Canadian-Owned" IT staffing/consulting company.
Procom's areas of staffing expertise include:
Application Development
Project Management
Quality Assurance
Business/Systems Analysis
Datawarehouse & Business Intelligence
Infrastructure & Network Services
Risk Management & Compliance
Business Continuity & Disaster Recovery
Security & Privacy
Specialties Contract Staffing (Staff Augmentation)
Permanent Placement (Staff Augmentation)
ICAP (Contractor Payroll)
Flextrack (Vendor Management System)

Job Description

Sr. Unix Systems Administrator

On behalf of our client, Procom Services is searching for a Sr. Unix Systems Administrator for a contract opportunity in Dallas, TX.

Sr. Unix Systems Administrator Job Details

Provide technical leadership in daily system support and operation for critical and complex production systems. 
Perform Capacity Planning, Infrastructure Design, and Systems Administration. 
Create robust, high availability and secure design for UNIX/Linux server infrastructure. 
Provide 7x24 rotating Level 3 Support for Unix and storage infrastructure for various group companies. 
Closely work with remote Unix team for day-to-day incident and service request tickets.
Work with hardware and 3rd vendor for system troubleshooting.
Interface with the clients with related to technical issue/inquiry/request.
Setting various policies for applications and infrastructure - patching schedules, deployment of releases, testing and system readiness. 
Manage HP/UX environment in Production/Testing/Development environments. 
Configure and manage Virtual Server environments, Storage infrastructure and DR installations. 
Administer Systems Monitoring; Troubleshoot SW/HW Issues Methodically.
Process knowledge of Configuration management & Change control.
Create and update technical documentations (system configuration and operation).

Sr. Unix Systems Administrator Mandatory Skills

8-10 years experience as a UNIX System Administrator 
Strong background in HP-UX 10/11
Strong background in Solaris 2.6/7/8/9/10 and RHEL 4.x/5.x 
Strong Background in AIX
Hands-on experience with Veritas Volume Manager, Veritas File System, DiskSuite and LVM
Strong experiences in SAN devices (EMC Celerra/CLARiiON, NetApp Filer, Brocade switch) 
Hands-on experience in NetBackup backup software
Experience of jumpstart and kickstart implementation 
Requires excellent communication skills and ability to be available after-hours 
Certifications in Solaris, Linux and/or SAN are preferred. 
BS in (Computer) Science/Engineering or equivalent IT work experience. 
Solid understanding of TCP/IP, LDAP, DNS, NIS and SMTP. 
Proficiency in NAS and Storage Area networking as well as Backup & Recovery administration.
Experiences of DNS, Apache, Sendmail, Bind, LDAP, and ProofPoint. 
Experience in data center or network operations with HA (high availability) and/ or 24X7 service level. 
Must have strong experience with Disaster Recovery solutions.

Sr. Unix Systems Administrator Start Date

ASAP

Sr. Unix Systems Administrator Assignment Length

6+ months

Additional Information

All your information will be kept confidential according to EEO guidelines. Please send your resume in Word format only. 

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