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Engineering & Development
Full-time
August 11, 2026

Network Infrastructure Engineer

Fenix24 · via Himalayas
Salary not disclosed
United Kingdom
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Fenix24 is an industry-leading cyber disaster recovery and restoration company. Battling threat actors as The World’s First Civilian Cybersecurity Force, Fenix24 delivers cybersecurity services through its four battalions: Fenix24 for ransomware recovery and restoration; Athena7 for IT security assessments, strategy and planning; Grypho5 for ongoing security-based management; and Argos99 for expert insights into data, assets and infrastructure. Under its Securitas Summa program, Fenix24 ensures organizations are prepared to effectively resist and rapidly recover from a cyberattack, offering a combination of managed data and infrastructure protection, real-time threat intelligence, and ongoing hardening and breach resistance.

Athena7 is one of four battalions fighting threat actors on the front lines of the global cyber war. As part of The World’s First Civilian Cybersecurity Force, Athena7 specializes in resistance hardening, IT security assessments, strategy and planning to ensure an organization's defenses are prepared to effectively resist and rapidly recover from a cyberattack.

The Network Infrastructure Engineer will support both project-based work and the ongoing maintenance of customers' existing network environments, including M&A activities. This role requires hands-on experience with Cisco network switches, firewalls (Fortinet, Palo Alto), SD-WAN, and Wi-Fi 802.1x. The Network Engineer will work closely with senior engineers and the Project Management Office (PMO) to support network projects, gather requirements, help scope project engagements, and ensure the security and performance of client networks.

This is a remote opportunity based within the UK.

Job Duties & Responsibilities:

  • Assist in the design and deployment of network solutions for project-based work, including Cisco switches, Fortinet and Palo Alto firewalls, and SD-WAN.
  • Gather requirements and assist in scoping project engagements, collaborating with senior engineers and the PMO.
  • Provide support for customers' existing network environments, including troubleshooting and maintenance.
  • Participate in M&A activities by assisting in the integration of networks, systems, and applications.
  • Implement network security measures, including firewall policies, VPNs, and Wi-Fi 802.1x.
  • Collaborate with senior engineers and the PMO to execute network projects and implement network changes.
  • Assist in cloud networking tasks in Azure and AWS, including connectivity and security configurations.
  • Maintain network documentation, including configurations and topology diagrams.
  • Stay updated with industry trends and provide support and recommendations to clients.

Qualifications:

  • 3-5 years of experience in network support, configuration, and troubleshooting.
  • Experience working as a consultant, supporting clients with technical network solutions.
  • Hands-on experience with Cisco network switches, Fortinet and Palo Alto firewalls, and SD-WAN technologies.
  • Basic understanding of cloud networking in Azure and AWS.
  • Experience with M&A network integration support.
  • Strong problem-solving skills and ability to manage both project-based work and ongoing support tasks.
  • Certifications such as CCNA, CompTIA Network+, or equivalent experience.
  • Strong communication and organizational skills.

Why work for us?

We offer a dynamic, innovative work environment with rewarding work - help save our clients from disaster!

We truly value our employees and provide an extraordinary package to prove it, including:

  • Internal and external learning & development opportunities, including career advancement
  • Scheduled & flexible PTO programs
  • Family friendly programs- Care packages
  • Regular team building events
  • Competitive compensation & benefits including:
  • Private health insurance
  • Mental health and wellness programmes
  • Company-matched pension scheme
  • Life insurance and income protection insurance
  • Monthly fitness/gym membership allowance

Join the world's first Civilian Cybersecurity Force and take your career to the next level!

How to apply

This role was found on Himalayas and is listed here so European professionals can find it. Applications are handled by the employer on the original posting.

Not placed or vetted by Euro Remote Talent. Looking for pre-vetted roles with US companies? Join our talent network.

About the company
Fenix24
Fenix24 · via Himalayas

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