Network Administrator Job at Codan Limited (Ashburn)

Network Administrator

Codan Limited

Location:
United States , Ashburn

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Reporting to the IT Lead – North America, the Network Administrator will play a key role in maintaining, securing, and enhancing Codan Group’s network and systems infrastructure. Based in Ashburn, this role is responsible for the day-to-day operational delivery of network services while also contributing to projects that drive secure, reliable, and efficient technology improvements across the organization. This is a hands-on, technically focused role that works closely with the wider Group Systems team, internal stakeholders across global business units, and external vendors.

Job Responsibility:

Managing and maintaining enterprise firewall environments, including policy design, rule management, firmware updates, and security hardening
Ensuring reliability and performance across core network infrastructure, including switches, routers, wireless networks, and VPN technologies
Applying and validating network security controls, including firmware updates, vulnerability remediation, access management, and compliance with security standards
Executing planned network changes, upgrades, and configuration updates accurately and on schedule
Configuring, installing, and maintaining networking hardware, software, and communications equipment across local and remote (overseas) sites
Providing remote and onsite systems, server, and desktop support, including patching and upgrades to address vulnerabilities and performance issues
Collaborating with internal stakeholders and external service providers while supporting user-facing helpdesk tickets related to network and systems

Requirements:

Advanced hands-on experience administering enterprise firewall platforms, including policy creation, rule review, security hardening, firmware upgrades, and threat mitigation
Extensive knowledge of firewall appliances and a solid understanding of networking principles (LAN/WAN)
Hands-on experience with networking, wireless, security appliances, and virtualization tools
Working knowledge of Microsoft operating systems and applications
Strong problem-solving skills with the ability to prioritize competing demands
Excellent communication, interpersonal, and customer service skills with a collaborative mindset
Eligibility to obtain and maintain a U.S. security clearance
Ability to travel domestically up to 10%

What we offer:

15 days accrued paid time off per year
10 Federal holidays plus an additional 2 floating holidays
Opportunity to join sponsored health and welfare plan
Generous 401k plan with matching employer contribution
Employee Assistance Program
Flexible core working hours
Personal approach to training and development

Additional Information:

Job Posted:
February 17, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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