Avancez Avec nous

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 Security Lead

Job Location – Farnborough, UK

Job ID – 30300

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.

The individual will work in a fast-paced environment with high expectations, global scope, and a collaborative team setting. Provide technical and engineering participation on the Corporate data network engineering & security team with a firm grasp of networking, routing, Firewalls.

A few of our employee benefits are:

• Hybrid working where possible, three days onsite per week
• Flexible or part-time working arrangements considered upon request
• 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 7% 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 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:

• Interface with business leaders on strategic planning and design of Cloud and compute services, security, voice, data centre and NOC.
• Providing technical expertise and support in troubleshooting issues and optimising performance.
• Designs, troubleshoots, documents, implements - (2/3, VPC, VDC, Datacentre Zones, Spanning Tree, VRF, VTP, VLANs, & cabling) problem isolation and resolution.
• Support day-to-day Firewall and Remote Access changes for Palo Alto Networks devices and services
• Providing technical expertise and support in troubleshooting network issues and optimizing network performance.
• Devises solutions to operational problems within the capacity and limitations of installed equipment.
• Identifies equipment upgrade opportunities and coordinates acquisition, deployment, and implementation.
• Identifies and recommends architecture network topology modifications, enhancements, overhauls, migration plans to solve capacity, resiliency, or changing business needs.
• Supports network architectural, engineering review, change planning and other oversight discussions.
• Create and maintain documentation for use by the network operations, CISO and support teams.
• Support Tier 2-3 team to resolve complex issues.
• Participate in on-call support, scheduled weekend outages, and disaster recovery activities as required
• Respond to Cyber Security incidents and proactively engage with relevant stakeholders.
• Primarily office based with occasional travel to other UK and EMEA sites.

What you’ll bring 

The role requires the following experience and skills:

• Bachelor’s Degree with 8 years of prior related experience or Graduate Degree with 6 years of prior related experience.
• 5-10 years Network/IT Security experience at an Enterprise/large scale level   
• Experience using one or more of the following platforms: Palo Alto Firewall (physical and virtual), Palo Alto Networks services (threat, Prisma, GlobalProtect, etc.), cloud services (Azure, AWS)
• Certifications such as CISSP, CISA, PCNSE, Security+, CCNA
• Experience with SDWAN implementation and/or support.
• Experience with logging and monitoring tools (Splunk, Spectrum, Thousandeyes, etc.)
• Extensive knowledge and experience of Core Routing and Switching design, configuration, and troubleshooting.
• Administration Experience with Hyperconverged technologies such as Nutanix, Cohesity etc
• Windows/Linux server administration

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.

#LI-Hybrid

#LeadITSecurity

#LI-RT1

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.