Level 3 Network Security Engineer

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Dublin, Ireland



Permanent / Full Time

Who We Are

Integrity360 is an independent pureplay cybersecurity provider in UK&I, with Security Operations Centers in Dublin & Sofia, employing 310+ employees, of which over 80% are technical. We help our clients proactively identify, protect, detect and respond to threats against the ever-evolving threat landscape. Our security first approach positions security as an enabler and empowers our clients to do business securely.

You would be joining Integrity360 at an immensely exciting time. In June 2021 the company received a strategic investment from August Equity (one of the UK’s most successful mid-market private equity firms). Our intention is to grow Integrity360 into the leading cyber services and solutions provider in Europe. The market for cybersecurity services has never been stronger and is growing at an aggressive rate. Integrity360 is one of the most respected and established service providers in the industry and is well positioned to achieve a market leadership position over the coming years. We believe we have significant opportunities for growth especially over the next 36 months. With the right levels of energy, tenacity and skill, your opportunity for personal success and contribution to our overall aspirations is considerable.

Job Role & Responsibilities

The successful candidate will be part of a dynamic support and managed service team working on multi-vendor environments. The team is the first point of contact offering remote technical security support and managed security services for a large client base.

The successful candidate will have excellent analytical skills, will be encouraged to work on their own initiative as well as be an integral part of a dynamic team. This role requires you to grow and mentor a team of Security engineers at varying in levels of experience.

Primary Duties/Responsibilities include:

  • Manage daily operational tasks with minimal supervision
  • Provide technical security support, advice and further analysis on the vendor products and technologies listed below for our customers infrastructure security needs.
  • Provision of detailed and accurate guidance on the use of client products to support our customer base.
  • Effectively interact with other members of the team to provide security solutions to technical issues.
  • Act as a Trusted Advisor for some of our major customers and as a Subject Matter Expert for core vendor technologies.
  • Apply understanding of client’s operations to enhance the sales process and effectively supports client opportunities contributing to proposals and account development
  • Provide escalation and mentorship to junior colleagues and assist, as a senior member of the team, in the ongoing improvement and development of junior staff.
  • Provide Incident management with regular updates to clients in a timely efficient manor
  • Lead problem management by identifying trends in product failures and reoccurring incidents.
  • Responsible for the oversight of complex changes for the managed services customer’s networks
  • Technical escalation for Network Security Engineers assisting remotely and attend site to resolve if required.
  • Support project on boarding
  • comply with Integrity360’s internal systems and procedures.
  • Participate in the on-call rota providing support to clients and colleagues 24x7
  • Attend Service Review meetings presenting performance exception reports focusing on long term performance and adding value


A degree in Computer Science or an equivalent discipline is preferable but it is not a requirement, and applicants with a minimum of 5 years of relevant industry experience in an equivalent role will be given equal consideration.

A strong knowledge of network infrastructure security on firewalls ,routers, switches and the associated network protocols and concepts is required.

Three to five year’s proven experience gained in a technical support or consultancy role in a corporate security support environment

Industry certification is an advantage in one or more of the following:

  • Checkpoint CCSE
  • Checkpoint CCSM
  • Palo Alto PCNSE
  • Fortinet NSE 4-8
  • F5 – 201 - 401
  • Forcepoint Certification

Desired Skills

  • Excellent communicator, written and verbally
  • A strong customer/client focus, with a proven ability to manage expectations appropriately, to provide a superior customer/client experience and build long-term relationships.
  • Ability to mentor and train junior colleagues and act as an escalation point
  • Ability to interact with personnel at all levels and across all business units within the organisations, and to comprehend business imperatives.
  • Strong leadership abilities, with the capability to guide team members and to work with only minimal supervision.
  • Can demonstrate consistency in their work attitude
  • Proficiency in performing risk and business impact assessments.

Desired Technical Experience

Ideally the candidate will have some knowledge and experience in one or more of the following areas with an desire to grow, learn and develop with us:

  • Detailed knowledge of Network Security
  • Firewalls product experience across vendor producst, such as: Checkpoint, Juniper NetScreen, Cisco ASA, Fortinet, Palo Alto
  • Firewall UTM/Sandboxing/App Control experience in CheckPoint, FortiGate
  • Routing/Switching/ Dynamic routing protocals (OSPF and BGP) – Cisco, Arista
  • Content Delivery Systems - F5 LTM, F5 GTM, Citrix Netscaler
  • Content filtering - Forcepoint, Bluecoat, IronPort WSA
  • Email gateway – Ironport, FortiMail, Fireeye
  • Multifactor Authentication – RSA, Cyberark
  • Web Application Firewall – Imperva, F5 ASM
  • Data Security - Varonis
  • IPSEC/SSL VPN: CheckPoint, Juniper, FortiGate, ASA, Pulse Secure, Netscaler Gateway, F5 APM
  • Some shell scripting or Development Experience
  • Troubleshooting skills with wireshark, fiddler, HTTPwatch
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