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Network systems administrator Jobs in Tucson, AZ

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Network systems administrator • tucson az

Last updated: 2 hours ago
Sr. Network Systems Administrator

Sr. Network Systems Administrator

Rincon Research CorpTucson, AZ, US
Full-time
Why Join Rincon Research Corporation (RRC)?.At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for th...Show moreLast updated: 30+ days ago
Sr. Network Systems Administrator

Sr. Network Systems Administrator

Rincon Research CorporationTucson, AZ, US
Full-time
Why Join Rincon Research Corporation (RRC)?.At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for th...Show moreLast updated: 30+ days ago
Network Engineer

Network Engineer

Tek SpikesTucson, AZ, US
Full-time
Network Engineer|| Local to AZ||W2.Interview Process & Logistics.Format : In-person interview is preferred.Timeline : Estimated start date of October 13, 2025. Required Education & Experience : ...Show moreLast updated: 30+ days ago
Senior Systems Administrator

Senior Systems Administrator

Maryland StaffingTucson, AZ, United States
Full-time
Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our d...Show moreLast updated: 2 days ago
VMWare Systems Administrator Senior

VMWare Systems Administrator Senior

GDITHuachuca, Fort, AZ, USA
Full-time
Transform technology into opportunity as a VMWare Systems Administrator Senior with GDIT.A career in enterprise IT means connecting and enhancing the systems that matter most.At GDIT you’ll be at t...Show moreLast updated: 30+ days ago
Network Systems Administrator I

Network Systems Administrator I

Goodwill Industries of Southern ArizonaTucson, AZ, US
Full-time
As a Network Sytems Administrator I in the Retail Trade industry, you will be responsible for ensuring the smooth operation of our company's enterprise infrastructure. You will be expected to mainta...Show moreLast updated: 30+ days ago
  • Promoted
Senior Systems Administrator

Senior Systems Administrator

Leidos IncTucson, AZ, United States
Full-time
Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our d...Show moreLast updated: 7 days ago
Junior Network Administrator, Analyst, Tucson, AZ ONSITE (2 open)

Junior Network Administrator, Analyst, Tucson, AZ ONSITE (2 open)

RTXTucson, Arizona, USA
Full-time
AZ201 : RMS AP BldgEast Hermans Road Building 801 Tucson AZ 85756 USA.Person or Immigration Status Requirements : .Junior Network Administrator (P1) - 2 positions. Analyst Information Workplace Service...Show moreLast updated: 10 days ago
  • New!
Senior Systems Administrator

Senior Systems Administrator

Missouri StaffingTucson, AZ, United States
Full-time
Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our d...Show moreLast updated: 4 hours ago
Systems Administrator

Systems Administrator

JT4Tucson, AZ
Full-time
JOB SUMMARY - ESSENTIAL FUNCTIONS / DUTIES.Evaluates system specifications, installs enterprise computer systems, configures systems, establishes standards, ensures hardware / software compatibility, a...Show moreLast updated: 30+ days ago
  • Promoted
Systems Administrator

Systems Administrator

VirtualVocationsTucson, Arizona, United States
Full-time
A company is looking for a Systems Administrator.Key Responsibilities Administer and support Microsoft 365 services, including Exchange Online, SharePoint Online, Teams, and OneDrive Configure a...Show moreLast updated: 5 days ago
Senior Systems Administrator

Senior Systems Administrator

Arizona StaffingTucson, AZ, United States
Full-time
At Raytheon Technologies, the foundation of everything we do is rooted in our values and a higher calling to help our nation and allies defend freedoms and deter aggression.We bring the strength of...Show moreLast updated: 3 days ago
Senior Systems Administrator - Onsite DoD, Secret Clearance

Senior Systems Administrator - Onsite DoD, Secret Clearance

PrattwhitneyTucson, AZ, United States
Full-time
A leading aerospace company is seeking a Sr.Systems Administrator in Tucson, AZ.The ideal candidate will provide IT systems administration within a Microsoft Windows and Redhat Enterprise Linux env...Show moreLast updated: 4 days ago
Remote Network and Computer Systems Administrators - AI Trainer ($65-$115 per hour)

Remote Network and Computer Systems Administrators - AI Trainer ($65-$115 per hour)

MercorTucson, Arizona, US
Remote
Full-time
Mercor is recruiting • •Network and Computer Systems Administrators • • to work on a research project • •for one of the world’s top AI companies. This project involves using your professional experience...Show moreLast updated: 15 days ago
  • Promoted
Join Our Network

Join Our Network

Theater OutsourceTucson, AZ, US
Full-time
Are you a themed entertainment professional looking for a new career?.Join our network, and get connected to new roles that come open. We would love to speak with you about your career goals, and se...Show moreLast updated: 30+ days ago
  • Promoted
Linux Systems Administrator

Linux Systems Administrator

Arete AssociatesTucson, AZ, US
Full-time
At Areté, we are on the forefront of utilizing innovative solutions, with great minds from all backgrounds, to help solve the nation’s most complex security challenges.We strive for an...Show moreLast updated: 30+ days ago
  • Promoted
  • New!
Sr. Systems Administrator

Sr. Systems Administrator

RaytheonTucson, Arizona, United States
Full-time
Country : United States of America.Location : AZ805 : RMS AP Bldg 805 1151 East Hermans Road Building 805, Tucson, AZ, 85756 USA. Person, or Immigration Status Requirements : Active and transferable U.S...Show moreLast updated: 2 hours ago
Network Administrator - Hybrid

Network Administrator - Hybrid

TEKsystemsTUCSON, AZ, US
Full-time
Description : • Responsible for the networking and firewalling, as well aas server administration.Information Technology (IT) infrastructure and security applications at UNS.Participates in a team en...Show moreLast updated: 30+ days ago
Senior Systems Administrator

Senior Systems Administrator

Raytheon TechnologiesUS-AZ-TUCSON- ~ E Hermans Rd ~ BLDG
Full-time
US-AZ-TUCSON-805 ~ 1151 E Hermans Rd ~ BLDG 805.Person, or Immigration Status Requirements : .At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help ou...Show moreLast updated: 6 days ago
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Sr. Network Systems Administrator

Sr. Network Systems Administrator

Rincon Research CorpTucson, AZ, US
30+ days ago
Job type
  • Full-time
Job description

Job Description

Job Description

Why Join Rincon Research Corporation (RRC)?

At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national security.

Rincon Research Corporation (RRC), an employee owned company, is seeking a talented, tenacious, results-driven individual to work in a multi-disciplinary R&D environment with similarly motivated electrical engineers, mathematicians, computer scientists, and analysts who are collectively responsible for creating custom digital signal processing solutions and leveraging them to make an operational mission impact.

As a Network Systems Administrator at Rincon, you will lead our efforts to execute the deployment, maintenance, and continued operations of our network infrastructure. As part of your role, you will work with IT function leads, program managers, customers, and telecommunications vendors to ensure connectivity, performance, and to continuously improve network capabilities. You will be involved in all areas of network delivery, including architecture, installation, configuration, troubleshooting, and service expansion.

Come join the team that is creating cutting edge signal processing and geolocation systems for the future!

What are the primary responsibilities in the Sr. Network Systems Administrator position?

  • Build, deploy, maintain, and continuously improve the network's operations across Rincon and the customer systems we support.
  • Execute and manage monthly operations cycles, monitoring, maintenance, compliance, and optimization of networking infrastructure.
  • Proactively plan and execute network upgrades, capacity improvements, and technology evolutions.
  • Implement system-level security controls and perform day-to-day security operations of the network.
  • Create and maintain documentation, including user guides, knowledge base articles, change requests, and system maintenance records.
  • Establish and maintain standards of network administration and development practices, such as technical design, solution development, systems configuration, and operations procedures.
  • Monitor, manage, and report on information system performance, security, availability, and recoverability.
  • Collaborate across other IT functions (Infrastructure, Security, Windows, Linux, Service Desk) and external vendors for issue resolution.

What required background will make you successful?

  • Active TS / SCI + Poly Security Clearance
  • US CITIZENSHIP REQUIRED
  • Certification

  • Requires security certification in compliance with DOD 8570 within 90 days of hire
  • Requires professional certification in one or more areas within 6 months of hire
  • Examples include CCNA, AWS Associate, or role-relevant Windows or Linux certifications.

    Education, Experience

  • A Bachelor's degree in Computer Science, Information Systems, Engineering, Business, or other related discipline. Can be substituted with 5+ years of experience.
  • Preferred skills :

  • Advanced understanding of enterprise-level campus and data center network design and optimization.
  • Experience managing and maintaining Cisco, Arista, and VPN hardware.
  • Experience supporting and operating within air-gapped environments and segmented networks.
  • Working experience in building, monitoring, and optimizing VPN topologies (Full Mesh, Point-to-Point, Hub and Spoke), both on-site and across different geographic locations
  • Ability to configure and troubleshoot advanced networking protocols, including SDWAN, Multicast, VLANs, Routing, Switching, Firewalls, Spanning Tree, and others.
  • Experience in monitoring network performance (latency, bandwidth utilization, packet loss).
  • Experience collaborating with external partners, customers, and network providers.
  • Experience with documenting network infrastructure, maintaining configuration baselines.
  • Experience in asset lifecycle management and IPAM processes to ensure operational visibility and compliance.
  • Advanced experience with security implementation to create and maintain compliance baselines.
  • Hands-on experience automating network deployment and day-to-day operational tasks to improve efficiency and consistency with configuration management concepts and tooling, including CI / CD platforms with GitLab.
  • Experience with scripting or programming skills in a language such as PowerShell, Python, Bash, or Go.
  • Experience with a configuration management tool such as Ansible or Puppet.
  • Familiarity with Linux-based systems administration (RHEL, CentOS, Rocky).
  • Where is the position located?

    This position is located at our Tucson, AZ Headquarters.

    What benefits does RRC offer?

  • 100% employer-paid premiums for family medical and dental insurance, employee life insurance, short-term and long-term disability (STD & LTD)
  • Flexible reimbursement spending accounts for medical expense and dependent care
  • Immediate participation and vesting in the company’s Employee Stock Ownership Plan (ESOP) and 401(k) Plan
  • Employer contributions to RRC’s ESOP
  • Employer matching contributions to the company’s 401( k) Plan
  • Employer discretionary contributions to the company’s 401(k) Plan
  • Rincon Research Corporation is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor.