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Senior Unix Systems Administrator Jobs in Tennessee

ITR

Kubernetes Platform Systems Engineer

Oak Ridge, TN · On-site +1

... Systems Administrator/Systems Engineer * Bachelor's degree or an equivalent combination of ... Working knowledge of Unix systems fundamentals and common network protocols * Ability to develop ...

Whisper Aero

Senior Systems Administrator

Nashville, TN · On-site

$83K - $112K/yr

About the Role Whisper Aero is seeking a skilled and dedicated Senior Systems Administrator to join ... Proficient in both Windows and Unix/Linux operating systems * Scripting experience in Python, Bash ...

Nextpower

IT Systems Administrator

Nashville, TN · On-site

Senior Systems Administrator Location: Nashville, TN Position Summary We are seeking a Senior Systems Administrator to join our Nashville-based IT Infrastructure team. This role is responsible for ...

Nextracker

IT Systems Administrator

Nashville, TN

Senior Systems Administrator Location: Nashville, TN Position Summary We are seeking a Senior Systems Administrator to join our Nashville-based IT Infrastructure team. This role is responsible for ...

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Senior Unix Systems Administrator information

What does a senior Unix systems administrator do?

A Senior Unix Systems Administrator is responsible for managing, configuring, and maintaining Unix-based servers and systems within an organization. They handle tasks such as system monitoring, performance tuning, software updates, security management, and troubleshooting complex issues. In addition, they often design and implement automation scripts, ensure system reliability and availability, and provide technical leadership to junior staff. Their role is critical in supporting the IT infrastructure and ensuring smooth operations of business-critical applications.

What are some common challenges faced by senior Unix systems administrators, and how can they be effectively managed?

Senior Unix Systems Administrators often encounter challenges such as maintaining system uptime during critical updates, managing complex configurations across multiple servers, and ensuring security compliance. Staying proactive by implementing robust monitoring tools and automating routine tasks can help mitigate these issues. Additionally, collaborating closely with development and security teams enables administrators to anticipate potential problems and deploy solutions efficiently. Regular training and staying updated with the latest Unix advancements are also key for managing these challenges effectively.

What is the difference between Senior Unix Systems Administrator vs Network Engineer?

AspectSenior Unix Systems AdministratorNetwork Engineer
CertificationsUnix/Linux certifications (e.g., RHCE, Linux+)CCNA, CCNP, CompTIA Network+
Work EnvironmentData centers, server rooms, enterprise ITNetwork infrastructure, routing, switching environments
Primary ResponsibilitiesManaging Unix/Linux servers, scripting, system optimizationDesigning, implementing, maintaining network systems
Industry UsageIT, finance, healthcare, governmentTelecommunications, IT, enterprise sectors

While both roles involve technical expertise in IT infrastructure, the Senior Unix Systems Administrator focuses on managing Unix/Linux servers and systems, whereas the Network Engineer specializes in designing and maintaining network infrastructure. Both roles often require similar certifications and work in enterprise environments, but their core responsibilities differ significantly.

What are the key skills and qualifications needed to thrive as a senior Unix systems administrator, and why are they important?

To excel as a Senior Unix Systems Administrator, you need deep expertise in Unix/Linux operating systems, scripting languages (such as Bash, Perl, or Python), and a strong background in systems architecture, typically supported by a relevant degree or certifications like RHCE. Proficiency with configuration management tools (e.g., Ansible, Puppet), virtualization platforms, and monitoring solutions is commonly required. Strong analytical thinking, problem-solving, and effective communication skills help you manage complex environments and coordinate with engineering teams. These skills are essential for ensuring system reliability, security, and efficient IT operations in enterprise environments.
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Senior Unix Systems Administrator jobs near you
Infographic showing various Senior Unix Systems Administrator job openings in Tennessee as of August 2026, with employment types broken down into 43% Full Time, and 57% Contract. Highlights an 100% In-person job distribution.

Unix System Administrator - 3026

Right Talent Right Now

Collierville, TN • On-site

Full-time

Re-posted 6 days ago

Job description

Job Description

Job Ref.: 3026

Job Title: Unix System Administrator

Role: Information Technology

Relocation Available: Yes

Industry: I.T.

Location: Tennessee

Town / City: Collierville

Job Type: Permanent full-time

Job description:


SUMMARY: Performs installation, configuration and maintenance of the UNIX (Linux) operating systems and related software products in a manner consistent with our existing service level agreements. Responsible for maintaining the integrity and security of enterprise's UNIX (Linux) servers and systems which support the various operating units of the enterprise. Ensures performance monitoring and tuning of overall systems. Is expected to conduct system analysis and development, with limited support and direction from professional staff, to keep our systems current with changing technologies. Must primarily perform work requiring advanced learning or work that is original and creative. Also, must consistently exercise independent choice and judgment or perform work requiring invention, imagination or talent in a recognized field of artistic endeavor 50% or more of the time.

ESSENTIAL DUTIES AND RESPONSIBILITIES include the following:

Works with the application teams and other IT department personnel to coordinate system software changes and support application changes.

Understands the critical processing cycles in detail such as accounting month-end, invoicing and billing, and any other relevant processing cycles.

Maintains DNS, NFS, DHCP, printing, mail, web, and FTP services for the enterprise.

Responsible for maintaining the integrity and security of the enterprise UNIX (Linux) servers and systems.

Analyzes production and test system problems, determines causes, and takes timely corrective actions.

Oversees the administration of the UNIX (Linux) operating system. Recommends systems and programming standards and procedures including writing shell scripts or programs to automate and/or simplify the UNIX administration procedures.

Recommends and implements security policies and standards and ensures adherence to procedures.

Keeps accurate records of UNIX AIX (Linux) system failures and changes.

Manages UNIX account maintenance including additions, changes, and removals.

Research and recommends updates to software and hardware of UNIX (Linux) systems including upgrades to operation system and communicates to IT Management Group.

Performs tape storage management and administration using Tivoli Storage Manager.

Conducts preliminary studies for new projects related to machine utilization, capacity planning, and network topology.

Establishes and maintains contact with key vendors for maintenance and services.

Monitors system performance and develops recommendations for correction or improvement. Implements changes as appropriate with proper approval.

Recognizes, identifies, and documents potential areas where existing policies and procedures require change, or where new ones need to be developed, especially regarding future business expansion.

Maintains a disaster recovery plan. Creates backup capabilities adequate for the recovery of data and understands concepts and processes of replication for disaster recovery.

EDUCATION and/or EXPERIENCE: 

Bachelor's degree in an IT related field from an accredited four-year college or university and five years' experience in a large-scale systems environment with at least four years UNIX (AIX, Linux, or Solaris) systems administration and two years in PC networking. Requires thorough systems knowledge and experience relative to systems administration.

SKILLS & ABILITIES:

Working knowledge of Windows 7 or higher, Microsoft Office 2013 or higher, Symantec anti-virus, and Ethernet.

Knowledge of TCP/IP, FTP, DNS, NIS, and Point to Point Protocol (PPP).

Knowledge of LPARs.

Good communication skills.

Good problem solving skills.

Ability to work both independently and as a team member.

Good customer service skills.

Ability to set priorities and work on multiple tasks.

Experience with Oracle database and/or applications a plus.

Bottom Line Requirements:


1. Bachelor's degree in an IT related field.

2. 5+ years' experience in a large-scale systems environment with at least 4 years UNIX (AIX, Linux, or Solaris) systems administration and two years in PC networking. 

3. Working knowledge of Windows 7 or higher, Microsoft Office 2013 or higher, Symantec anti-virus, and Ethernet.

4. Knowledge of TCP/IP, FTP, DNS, NIS, and Point to Point Protocol (PPP).

5. Knowledge of LPARs.


Additional Information

All your information will be kept confidential according to EEO guidelines.

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