System Administrator III jobs in United States
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NEOGOV · 18 hours ago

System Administrator III

NEOGOV is seeking a dynamic and resourceful Systems Administrator to join their team in Fort Myers, FL. The role involves managing a wide range of data networking responsibilities, including network infrastructure administration, security compliance, and providing technical guidance to junior staff.

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H1B Sponsor Likelynote

Responsibilities

Design, deploy, configure, and maintain enterprise network infrastructure supporting LAN, WAN, and data center environments
Administer and support Cisco routers, ensuring optimal performance, scalability, and security
Administer and support Extreme Networks switches, including VLANs, STP, and QoS
Manage and maintain Palo Alto Networks firewalls, including security policies, NAT, VPNs, and threat prevention features
Configure and manage advanced routing protocols, including BGP, OSPF, and static routing
Design and maintain failover routing, redundancy, and high-availability solutions
Implement and troubleshoot Layer 2 and Layer 3 technologies (VLANs, subnets, ACLs, IP addressing schemes)
Ensure efficient traffic flow and performance optimization across the network
Design, implement, and maintain WAN and LAN topologies across multiple sites
Manage site-to-site and remote connectivity solutions, including VPNs and secure tunnels
Coordinate with ISPs and vendors for circuit provisioning, performance issues, and outages
Enforce network security best practices and standards across all infrastructure
Monitor, analyze, and respond to security events and vulnerabilities
Ensure firewall rules, segmentation, and access controls align with organizational policies
Participate in audits and compliance initiatives as required
Proactively monitor network performance, availability, and capacity
Diagnose and resolve complex network issues across routing, switching, and firewall platforms
Perform root cause analysis and implement long-term corrective actions
Maintain network documentation, diagrams, and configurations
Design, test, and maintain disaster recovery and business continuity plans for network services
Implement redundancy and geographic failover solutions
Participate in DR testing, incident response, and post-incident reviews
Plan and execute network changes following change management processes
Maintain accurate and up-to-date documentation, including network diagrams and configuration standards
Develop and enforce operational procedures and best practices
Provide technical guidance and mentorship to junior network and systems staff
Collaborate with systems, security, and application teams on infrastructure initiatives
Evaluate and recommend new technologies, tools, and upgrades
Assist other Systems team personnel as needed with technology issues in Microsoft and AWS environments

Qualification

Cisco routersExtreme Networks switchesPalo Alto Networks firewallsBGPDisaster recoveryMicrosoft Active DirectoryWANLAN topologiesNetwork security best practicesTechnical guidanceEmerging technologies

Required

Bachelor's degree with major course work in Computer Science and five years' work experience related to enterprise level computer system/network administration, management, or support; or equivalent combination of education, training, and experience as determined by ITS Management
Knowledge of Microsoft Windows client/server operating systems and Microsoft Active Directory desired
Background check required
Valid Florida Driver's License required
May require after hours, weekend or emergency (natural disaster, major incident, etc.) support
Knowledge of Microsoft client and server patch management processes desired
Knowledge and experience implementing disaster recovery solutions, with proven ability to perform failovers in high-availability environments
Strong desire to learn and apply emerging technologies

Benefits

Paid Time Off & Holiday pay
Medical, Dental, Vision and other short- and long-term disability programs, Telehealth and wellness programs such as Accident Protection Plans and Critical Illness Plans
Florida Retirement System and Deferred Compensation with Employer Match
Company paid Life Insurance
Additional Life Insurance for you and your family and Pet Insurance. We love our pets!
Employee Assistance Program (EAP), Legal and financial assistance benefits
Training & Development Program, Tuition Reimbursement

Company

NEOGOV is the leading provider of workforce management software uniquely designed for the public sector, education, and public safety.

H1B Sponsorship

NEOGOV has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (13)
2024 (10)
2023 (10)
2022 (18)
2021 (14)
2020 (16)

Funding

Current Stage
Late Stage
Total Funding
$700M
Key Investors
Warburg Pincus
2025-07-28Secondary Market· $700M
2025-07-28Acquired
2021-06-02Private Equity

Leadership Team

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Shane Evangelist
CEO
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Brandon McDonald
Head Of Marketing
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Company data provided by crunchbase