Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design, implement, and operate secure networking capabilities in a collaborative Agile environment.
- Company: Join L3Harris, a trusted disruptor in the defence industry with a focus on innovation.
- Benefits: Enjoy hybrid working, 25 days holiday, private medical insurance, and a strong pension scheme.
- Why this job: Make a real impact on national security while growing your tech skills in a supportive team.
- Qualifications: Experience with network security, Palo Alto Firewalls, and relevant certifications like CCNP or PCNSE.
- Other info: Be part of a diverse team dedicated to excellence and community support.
The predicted salary is between 36000 - 60000 £ per year.
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
About this opportunity and L3Harris UK
From 11 UK sites, our team of nearly 1,000 people delivers unique capabilities across space, air, land, sea and cyber for military, security and commercial customers across the UK and worldwide. The Global Technology and Business Solutions department (EMEA region) functions as a high-performance hub that delivers core IT capabilities across our organisation. We focus on measurable outcomes, leveraging standardised processes, data-driven decision making and customer-centric delivery to support innovation and growth.
We’re looking for an experienced Network & Security Engineer who can design, implement, and operate the network and security estate here at L3Harris. You’ll bring experience, drive, enthusiasm, and a passion for technology.
A few of our employee benefits are:
- Hybrid working where possible – please note this role requires you onsite for a minimum of 3 days per week
- 25 days holiday per year (plus bank holidays), increasing with long service and with the opportunity to buy/sell up to 5 days
- Private medical insurance with optional family cover
- Pension scheme of up to 8% employer contribution
- Life Assurance 4x salary (flexible up to 10x)
- Group income protection
- Flexible opt-in extras such as a health care cash plan, dental insurance, gym membership, critical illness cover and cycle to work scheme
- Employee Family Assistance Program providing mental health and wellbeing support
- Professional membership reimbursement (discretionary)
What the role will involve
The responsibilities of your role will include the following:
- Operate within an Agile environment
- Provide technical leadership within a collaborative team
- Contribute to the wider team to design, implement and operate secure networking capabilities
- Proactively maintain the network and security hardware, applications, and services
- Respond to incidents, requests and troubleshoot connectivity or performance issues
- Implement planned Change across all the devices and services under the management of the team
- Respond to emergency situations and perform effective troubleshooting during major incidents as required
- High degree of documentation skills, for creating and maintaining design and operational documentation, Change documentation, Runbooks, Test plans and any other operational documentation as required
- Management of Control, Audit and Risk routines
- Participate in the team on-call rota
What you’ll bring
The role requires the following experience and skills:
- Strong knowledge of all round infrastructure technologies
- Demonstrated ability to work on multiple projects simultaneously, to respond to shifting priorities, and to work efficiently under pressure
- Significant experience with Palo Alto Firewalls and Panorama in a global environment
- Hold a PCNSE or PCCSE certification or equivalent in experience
- Cisco CCNP certification or equivalent experience
- High level of understanding and experience with OSPF and BGP
- Micro-segmentation principles and technologies
- Zero Trust principles
- Experience with Wireshark or other packet capture tools to analyze traffic
- Significant experience troubleshooting voice and video network traffic
- Experience with M&A activities across network and security services
- Experience of Clearpass and/or other NAC solutions
- Experience with multiple connectivity technologies including DIA, MPLS and DWDM
- Experience with wireless technologies
- Strong communication and presentation skills
- Passionate in creating a collaborative, caring and safe environment for all teammates to succeed
Important to know
Due to the nature of our work many of our roles require a UK nationality and the ability to obtain a security clearance. Applicants who accept a conditional offer of employment must meet the requirement of right to work in the UK and must meet eligibility requirements for access to classified information and will be subject to government security checks.
L3Harris Technologies is proud to be an Equal Opportunity Employer. We are committed to maintaining a workplace that is free from unlawful discrimination and offers equal opportunities for all. Applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief, and marriage and civil partnerships.
IT Network & Security Engineer in Farnborough employer: L3Harris Technologies
Contact Detail:
L3Harris Technologies Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land IT Network & Security Engineer in Farnborough
✨Tip Number 1
Network, network, network! Reach out to people in the industry, especially those at L3Harris. Use LinkedIn to connect and engage with current employees; they might have insights or even refer you directly!
✨Tip Number 2
Prepare for the interview by brushing up on your technical skills and understanding of the latest trends in network security. Be ready to discuss your experience with Palo Alto Firewalls and other relevant technologies.
✨Tip Number 3
Show your passion for technology during interviews! Share examples of how you've tackled challenges in previous roles, especially in a collaborative environment. This will resonate well with L3Harris's values.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you're serious about joining the L3Harris team.
We think you need these skills to ace IT Network & Security Engineer in Farnborough
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the IT Network & Security Engineer role. Highlight your experience with Palo Alto Firewalls, Cisco certifications, and any relevant projects you've worked on. We want to see how your skills align with our mission!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Share your passion for technology and how you can contribute to our team at L3Harris. Don’t forget to mention your experience in an Agile environment and your commitment to excellence.
Showcase Your Documentation Skills: Since documentation is key in this role, make sure to highlight your ability to create and maintain design and operational documents. We love candidates who can communicate complex ideas clearly and effectively!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re serious about joining our team at L3Harris!
How to prepare for a job interview at L3Harris Technologies
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of network and security technologies, especially Palo Alto Firewalls and Cisco CCNP. Be ready to discuss your hands-on experience with OSPF, BGP, and any relevant certifications like PCNSE or PCCSE. This will show that you're not just familiar with the concepts but can apply them in real-world scenarios.
✨Showcase Your Problem-Solving Skills
Prepare to share specific examples of how you've tackled connectivity or performance issues in the past. Think about times when you had to troubleshoot under pressure or respond to major incidents. This will demonstrate your ability to think on your feet and handle emergencies effectively.
✨Emphasise Team Collaboration
L3Harris values teamwork, so be ready to talk about your experience working in collaborative environments. Highlight instances where you contributed to team projects or provided technical leadership. This will show that you can thrive in an Agile setting and support your colleagues.
✨Prepare for Behavioural Questions
Expect questions that assess your fit within the company culture. Reflect on your values and how they align with L3Harris's commitment to excellence and community. Be prepared to discuss how you create a safe and supportive environment for your teammates, as this is crucial for their work culture.
