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Network Administrator Iii Jobs (NOW HIRING)

Zachary Piper Solutions

$125K/yr

Collaborate with both technical and non-technical stakeholders Qualifications of the Network Administrator: * 3+ years of network administration experience * Enterprise routing and switching (VLANs ...

Inode Ink Corporation

We are seeking an experienced Network Security Administrator III to lead the management, configuration, and optimization of boundary network devices such as firewalls, routers, and switches in ...

Abacus Technology Corporation

Overview Abacus Technology is seeking a Network Administrator to provide WAN infrastructure support for the Air Force Intranet Control (AFINC) III Support program at Maxwell AFB/Gunter Annex. This is ...

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Network Administrator Iii information

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$33.5K

$81.7K

$124K

How much do network administrator iii jobs pay per year?

As of Sep 11, 2026, the average yearly pay for network administrator iii in the United States is $81,749.00, according to ZipRecruiter salary data. Most workers in this role earn between $65,500.00 and $93,500.00 per year, depending on experience, location, and employer.

What is a Network Administrator III?

A Network Administrator III is an advanced-level IT professional responsible for designing, implementing, and maintaining an organization's computer networks. They handle complex network issues, ensure network security, monitor performance, and may supervise junior network staff. This role typically requires several years of experience and a deep understanding of network infrastructure, protocols, and troubleshooting. Network Administrator III professionals often work with routers, switches, firewalls, and other networking equipment to ensure reliable and secure connectivity across the organization.

What are the key skills and qualifications needed to thrive as a Network Administrator III?

To thrive as a Network Administrator III, you need advanced knowledge of network infrastructure, troubleshooting, and security practices, typically supported by a bachelor’s degree in IT or related field and several years of experience. Familiarity with enterprise networking hardware, protocols, monitoring tools, and certifications such as Cisco CCNP or CompTIA Network+ is common. Strong problem-solving, communication, and project management skills distinguish top performers in this role. These capabilities are crucial for ensuring reliable, secure network operations and effectively supporting organizational technology needs.

What are some common challenges a Network Administrator III might face when managing large-scale network infrastructures?

As a Network Administrator III, you'll often encounter challenges such as maintaining network security across multiple locations, troubleshooting complex connectivity issues, and ensuring minimal downtime for mission-critical systems. Balancing the integration of new technologies with existing infrastructure and coordinating with cross-functional teams for upgrades or incident response are also frequent tasks. Effective communication and proactive monitoring are essential to address these challenges and ensure a secure, high-performing network environment.

What is the difference between Network Administrator III vs Network Engineer?

AspectNetwork Administrator IIINetwork Engineer
CertificationsCCNA, CompTIA Network+CCNA, CCNP, Cisco certifications
Work EnvironmentIT departments, corporate networksDesign, implementation, and troubleshooting networks
Job FocusMaintaining and supporting existing networksPlanning and developing new network solutions

Network Administrator III typically focuses on maintaining and supporting existing networks within organizations, often holding certifications like CCNA. Network Engineers, on the other hand, are more involved in designing and implementing new network solutions, often requiring advanced certifications like CCNP. Both roles are essential in network management but differ in scope and responsibilities.

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Network Administrator Iii jobs near you
Infographic showing various Network Administrator Iii job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 80% Full Time, 11% Part Time, and 7% Contract. Highlights an 89% Physical, 2% Hybrid, and 9% Remote job distribution, with an average salary of $81,749 per year, or $39.3 per hour.

Network Administrator III

Virginia Beach, VA • On-site

ManTech International
IT Services • 5 - 10K employees
Learn more about ManTech Internationalexternal

$94K - $157K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 20 days ago

Key responsibilities

  • Installs, supports, and maintains LANs and/or WANs, and evaluates and recommends networking product and software upgrades.

  • Performs technical analyses of software, hardware, and transmission facilities using diagnostic tools to support network operations.

  • Monitors data traffic and controls network resource performance to ensure high-quality transmission.

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

Job description

General information
Requisition #
R65815
Locations
USA-VA-Virginia Beach
Posting Date
02/06/2026
Security Clearance Required
Secret
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!
***This is for a future opportunity***
MANTECH seeks a motivated, career and customer-orientedNetwork Administrator III to join our team in Virginia Beach, VA.This position is on-site 5 days a week.
Responsibilities include but are not limited to:
  • Installs, supports and/or maintains LANs and/or WANs; evaluates and recommends networking product and software upgrades
  • Performs technical analyses of software, hardware and transmission facilities using various diagnostic tools in support of efficient network operations
  • Monitors data traffic and controls network resource performance to ensure high-quality transmission
  • Identifies, diagnoses and resolves technical problems related to network failure/integrity and usage of PC hardware and software requires comprehensive understanding of processes, procedures, and systems within own and related areas
  • Requires developed advanced specialized expertise within an analytical or technical area to perform the most complex work
  • Requires tact and diplomacy to communicate ideas in a concise and logical way.

Minimum Qualifications
  • Bachelor's degree (4 years of experience can be substituted for a degree)
  • Nine (9) Years of information technology experience

Preferred Qualifications
  • Master of Science Degree in Information Technology or related field.
  • Familiarity with the United States Navy preferred.
  • Experience with NSWC Corona RS Division and NCTE

Clearance Requirements
  • Must have a current/active Secret Clearance with ability to obtain TS.

Physical Requirements
  • 10% travel anticipated.
  • Work will require movement from MANTECH Site to Government for client meetings and support functions.
  • The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which involve delivering presentatio

The projected compensation range for this position is $94,800.00-$157,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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