Vertex Inc

Network Administrator II

Vertex Inc$80K — $95K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of hands-on experience in network administration.
  • Must possess CompTIA Security+ or CySA certification upon hire.
  • Active Secret level Security Clearance required.
  • Strong communication and teamwork capabilities.
  • Experience with enterprise-grade networking equipment like Cisco, Juniper, Palo Alto, and Fortinet.

Responsibilities

  • Maintain, configure, and secure HITS networks.
  • Ensure reliable communication across systems for training effectiveness.
  • Optimize and troubleshoot data flow using advanced routing protocols.
  • Implement network security solutions including firewall and IDS/IPS management.
  • Oversee network monitoring, analytics, and incident response.

Benefits

  • Opportunities for professional development and certification training.
  • Access to a collaborative work environment with security experts.
  • Engagement in mission-critical projects for US forces training.
  • Potential for career advancement in a dynamic technical landscape.
Full Job Description
Overview

This position description is subject to change at any time as needed to meet the requirements of the program or company.

The Network Administrator at the HomeStation Instrumentation Training System, Fort Stewart, GA, will be responsible for maintaining, configuring, and securing the HITS networks, ensuring reliable and efficient communication across all systems to enable an effective training environment for the US forces and allies conducting training.

Must meet 8140.03 certificate requirements. Applicants must have an active CompTIA Security+ or a CySA certification at the time of hire.

An active Secret level Security Clearance is also required for this position.

Responsibilities

Required Skills:
  • 5+ years of progressive technical (hands-on) experience related to network administration.
  • Excellent problem-solving and analytical skills.
  • Strong communication and teamwork abilities.
  • Experience in Cisco, Juniper, Palo Alto, Fortinet, or another enterprise-grade networking equipment.
  • Ability to maintain enterprise-grade network infrastructure including LAN, WAN, and SD-WAN.
  • Experienced in maintenance and optimization of VPNs, VLANs, and QoS, NAC, and identity-based network access control systems policies for secure and optimized traffic routing.
  • Proficient in implementing and managing network security solutions such as firewalls, intrusion detection / prevention systems (IDS/IPS), and Zero Trust architectures using STIGs, SCG and relevant NIST controls.
  • Capable of optimizing high-speed data transfer, load balancing, and bandwidth utilization across global networks.
  • Automate network configuration management using tools like Ansible, Terraform, or PowerShell.
  • Troubleshoot and optimize BGP, OSPF, and MPLS routing protocols for optimal data flow.
  • Perform penetration testing and vulnerability assessments to identify and mitigate security risks.
  • Oversee network monitoring and analytics using SNMP, NetFlow, and AI-driven anomaly detection.
  • Monitor network traffic and security events in real time using SIEM tools (Splunk, QRadar, or Microsoft Sentinel).
  • Investigate and respond to network intrusions, anomalies, and security incidents.
  • Configure and maintain firewalls, IDS/IPS, and endpoint security solutions.
  • Conduct packet analysis and forensic investigations using Wireshark or Zeek.
  • Develop and implement network hardening strategies to mitigate vulnerabilities.
  • Automate security processes with Python, PowerShell, or Ansible for rapid response.
  • Collaborate with SOC analysts and security teams to improve incident response procedures.
  • Implement zero-trust networking, micro-segmentation, and secure access policies.
  • Ensure compliance with security frameworks such as NIST, CIS, ISO 27001, or MITRE ATT&CK.

Desired Skills:
  • Certifications such as CCNP, CCIE, JNCIP, CISSP.
  • Strong proficiency in network automation and scripting (Python, Bash, PowerShell).
  • Deep knowledge of multicast routing, and network segmentation strategies.
  • Ability to architect enterprise-grade network infrastructure including LAN, WAN, and SD-WAN.
  • Experienced in design of VPNs, VLANs, and QoS policies for secure and optimized traffic routing.
  • Experience with software-defined networking (SDN) and network function virtualization (NFV).
  • Ability to analyze packet captures using Wireshark or other forensic tools.
  • Proven track record in high-performance network optimization.

Qualifications

Education and Experience Requirements:
  • Master's degree in a relevant discipline plus one (1) year of experience.
  • Bachelor's degree in a relevant discipline plus two (2) years of experience.
  • Associate's degree in a relevant discipline plus four (4) years of experience.
  • High School Diploma or equivalent plus six (6) years of experience.

Certification and Experience Requirements:
  • 5+ years of progressive technical (hands-on) experience related to network administration.
  • Must meet 8140.03 certificate requirements:
    • Must have a CompTIA Security+ or CySA certification at date of hire (Baseline).
    • Must have a Computing Environment (CE) certification or complete within six (6) months of hire.
  • Certifications such as CCNP, CCIE, JNCIP, CISSP are desired.

Security Clearance Requirement:
  • Candidates must possess an active Secret level Security Clearance.

Job Category:
  • Full Time / Salaried / Exempt


About Vertex Inc

Vertex Inc is a leading provider of tax technology and services, enabling companies of all sizes to realize the full strategic potential of the tax function by automating and integrating tax processes, while leveraging advanced and predictive analytics of tax data. Vertex provides cloud-based and on-premise solutions that can be tailored to specific industries for every major line of tax, including income, sales and consumer use, value added and payroll. Vertex also offers solutions for tax data management, compliance and reporting, tax research, and planning and analysis. The company was founded in 1978 and is headquartered in King of Prussia, Pennsylvania.
Learn more about Vertex Inc
Size
1,200 employees
Market Cap
$2.2 billion
Industry
Net Income
-$78.9 million
Founded
1978
Revenue
$374.6 million
NASDAQ

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