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.

L3Harris Technologies is the Trusted Disruptor in the defense industry. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title – IT Network & Security Engineer

Job Location – Farnborough, UK

Job ID – 32417

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 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.

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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.