Network Security Engineer

Northern Ireland - Belfast


Northern Ireland - Belfast


Information Technology

Network Security Engineer, IT Infrastructure

Your Profile:

You notice little obscure things that others may overlook or not even notice, but you notice it, and those little observations turn into major problem-solving events. We are looking for a problem solver, one that noodles on all the details until the picture is in their mind. Someone who loves, I mean loves solving problems, when you do, you kind of do a little happy dance. We are looking for a network security problem-solver extraordinaire to join us on our mission to make the internet a safer place. You will work on things that matter with smart, committed, and passionate people. 

What we bring to the table:

  • Awesome company culture

  • Dynamic people and environment

  • Focus on employee experience

  • Not afraid to try things (disciplined risk-taking)

  • Mindset of continuous evolution


  • Are a great partner who will team up and support our savvy and quirky information security, IT, and other teams to build, deploy, troubleshoot, and maintain network security systems 

  • Enjoy building things. This gets you out of bed in the morning. You like to review, design, and build secure scalable networks, this is fun stuff

  • Dream of evolving our network toward a Zero Trust model, and work to make it real 

  • Like operating and evolving existing systems such as IDS/IPS, firewalls, and DNS filtering

  • Always ready to put your consulting hat on and will research and recommend innovative, and where possible, automated approaches for network systems tasks

  • Might not love this work, or maybe you do,  but you are highly capable and dependable when managing logistics with vendors, hardware ordering, project deadlines, and people

  • Grab shovels when needed, and provide Tier III/other support per request from internal and external customers. Troubleshooting is your thing

  • Like seeing things in the Green, it gives you comfort to know the network is humming along as you perform daily system monitoring, verifying the integrity and availability of all network security systems

You Have: 

  • Network/security certifications such as CCNA, CWNA, Network+, Security+, CCNP, OSCP, CCIE

  • Experience building virtual/cloud and on-premise corporate networks with complex routing and switching

  • 2+ years of coding experience with one or more languages such as Python or Golang. You are going to be coding lots of things so this one is important 

  • Experience with structured data being able to move data from network devices to CMDBs leveraging tools such as nornir and ansible 

  • Experience with the standards compliance process (e.g., NIST) and writing network security documentation

  • Experience configuring or maintaining network devices, such as firewalls and switches

  • Experience maintaining security infrastructure including firewalls, network sensors, log collection

  • Troubleshooting experience with firewalls, IDS/IPS, and proxies, including network captures and log analysis

  • Knowledge of VPN technologies such as IPSEC, SSL and remote access

  • Excellent time management and prioritization skills with a strong ability to plan, prioritize, and execute projects independently or in coordination with other teams

  • Excellent ability to communicate to technical and non-technical audiences with a positive, collaborative, and enablement-focused attitude

  • Insatiable curiosity & desire to challenge conventional approaches to solving problems

Even Better: 

  • Experience with pytorch or tensorflow 

  • In-depth knowledge of identity management systems such as Cisco's Identity Services Engine (ISE) 

  • Experience with Windows, macOS, and Linux system administration

  • Experience with Identity Access Management (e.g., OKTA) implementation and integration best practices

  • Familiarity with Google & AWS cloud network architectures and computing

  • Knowledge of security appliances that inspect email, SSL, DNS and URLs

  • Experience implementing, administering, and using Rapid7 products (e.g. InsightVM/Nexpose, InsightIDR, InsightConnect, etc.)

  • Experience with network vulnerability testing tools