Network Administrator III

LinTech Global, a Dexian company; Orlando (FL); On-site; USD 70,000 - 80,000; Full time

Benefits offered by this job

Open Paid Time Off

11 Federal Paid Holidays

Life/AD&D

Short & Long-Term Disability

Health Insurance with Company Coverage

401k Plan with Company Match

Employee Recognition Program

Performance Bonus

Job summary

Dexian Government Solutions in Orlando, FL is seeking a Network Administrator III to lead advanced network engineering and operations for the PEO STRI contract. You will troubleshoot complex LAN/WAN, design and optimize multi-site networks, and work with cybersecurity teams to meet compliance and high availability requirements.

Qualifications include Security+ IAT II, active Secret clearance, a BS in IT/CS, 5+ years of hands-on experience, and knowledge of TCP/IP, BGP/OSPF, Cisco or Juniper gear.

Qualifications

• Active Security+ (IAT II) certification or equivalent.
• Active Secret (or higher) security clearance.
• 5+ years of hands-on network engineering experience.
• Experience with enterprise LAN/WAN/WLAN and data center networks.
• Strong knowledge of routing, switching, firewalls, and NAC.
• Experience with high-availability design and disaster recovery.
• Preferred CCNA/CCNP or equivalent certifications.

Responsibilities

• Serve as top-tier escalation for complex network incidents and performance issues.
• Design, implement, and optimize LAN, WAN, WLAN, and data center networks.
• Diagnose and resolve advanced routing, switching, firewall, and access control problems across multi-site environments.
• Conduct root-cause analysis for major incidents and develop corrective action plans.
• Monitor network performance, troubleshoot issues, and ensure high availability.
• Develop and maintain network documentation, diagrams, configurations, and SOPs.
• Collaborate with cybersecurity teams on vulnerabilities, boundary protection, and compliance actions.

Skills

TCP/IP

DNS/DHCP

BGP/OSPF

Troubleshooting

High availability

Root cause analysis

Documentation

Analytical thinking

Education

Bachelor's degree in Information Technology, Computer Science, or related field

Tools

Cisco equipment

Juniper equipment

ISE

SDN / Cisco ACI

Job description

Dexian Government Solutions is recruiting for a Network Administrator III to support our contract at PEO STRI in Orlando, FL.

Location:

Orlando, FL

Position Overview

The Network Administrator III provides advanced technical leadership, troubleshooting, and engineering support across enterprise network environments. This role acts as the highest escalation tier for complex network issues, supports modernization and migration efforts, and ensures resiliency, compliance, and performance of mission‑critical systems.

Job Duties

• Serve as the top-tier escalation point for complex network incidents and performance issues.
• Support the design, implementation, and optimization of LAN, WAN, WLAN, and data center networks.
• Diagnose and resolve advanced routing, switching, firewall, and access control problems across multi‑site environment
• Conduct root‑cause analysis for major incidents and develop corrective action plans.
• Monitor network performance, troubleshoot issues, and ensure high availability and uptime.
• Develop and maintain network documentation, including diagrams, configurations, and standard operating procedures.
• Collaborate with cybersecurity teams to address vulnerabilities, boundary protection updates, and compliance actions.

Required Qualifications

• Must possess a minimum of a Security+ (IAT II) certification (or an approved IAT II equivalent).
• Must possess an active Secret (or higher) security clearance.
• Bachelor's degree in Information Technology, Computer Science, or a related field.
• 5+ years of hands‑on network engineer experience in implementation, troubleshooting, and design.
• Strong understanding of networking protocols (TCP/IP, DNS, DHCP, BGP, OSPF, etc.).
• Deep familiarity with Cisco, Juniper, or similar enterprise network equipment.
• Strong knowledge of firewalls, IDS/IPS, and network access controls.
• Excellent troubleshooting, analytical, and problem‑solving skills.
• Proven experience with high‑availability designs and disaster recovery solutions
• Relevant certifications such as CCNA, CCNP, or equivalent are preferred.
• Experience in ISE and STIGs
• Software Defined Networking (SDN) fundamentals or experience with Cisco ACI

Company Description

Dexian Government Solutions is an award‑winning, ISO 9001:2015 certified, business and GSA contract holder providing diversified Information Technology services to both Civilian and Defense agencies. Services include Software Development, Systems Integration, Data Management, Project Management, Operations & Maintenance, Cybersecurity, and Training and Audio/Visual (AV) Solutions. Dexian Government Solutions has received several recognitions, including rankings on "Top 50 Companies to Watch", Washington Technology's Annual "FAST 50", and Inc. 500's List of "Fastest Growing Private Companies". The Dexian Government Solutions team is comprised of individuals who are dedicated to the success and sustainability of our customers and their missions. Our combination of technical expertise, big business experience, and small business agility allows us to promptly provide our customers with exceptional IT and engineering solutions.

Benefits

• Our robust benefits package includes Open Paid Time Off, 11 Federal Paid Holidays & 5 Paid Sick Days, Company-paid Life/AD&D, Company-paid Short Term and Long-Term Disability, Health Insurance with Company Contribution, 401k Plan with Company Match, Employee Recognition Program, opportunity for Employee Referral Bonus, opportunity for annual Performance Bonus and much more!

EEO Statement

Dexian Government Solutions is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All employment is decided based on qualifications, merit, and business need.

All applicants will be considered for employment without attention to race, religion, color, national origin, ancestry, physical or mental disability, medical condition, pregnancy (including childbirth, lactation and related medical conditions), marital status, genetic information (including characteristics and testing), gender, sexual orientation, gender identity or expression, military and veteran status, or any other status protected under federal, state, or local law in the locations where we operate.

If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact Human Resources. The Company invites any applicant and/or employee to review the Company's written Affiantative Action Plan. This plan is available for inspection upon request.

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This role requires an active Secret Security Clearance, customer approval, and successful completion of a pre‑employment background screening.

Salary: $7000 - $80000 per year