L3Harris Technologies

Senior IT Network Engineer

L3Harris Technologies

full-time

Posted on:

Location Type: Hybrid

Location: Farnborough • 🇬🇧 United Kingdom

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Job Level

Senior

Tech Stack

AWSAzureCloudCyber SecurityLinuxSplunkSwitching

About the role

  • 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.

Requirements

  • 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
Benefits
  • 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)

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
network troubleshootingnetwork performance optimizationnetwork architecture designCore Routing and SwitchingSDWAN implementationHyperconverged technologiesWindows server administrationLinux server administrationdocumentationproblem isolation
Soft skills
strategic planningtechnical expertiseproblem-solvingcommunicationcollaborationstakeholder engagementteam supportoperational problem-solvingchange planningdisaster recovery
Certifications
CISSPCISAPCNSESecurity+CCNA