CrawlJobs Logo
Robert Half Logo Robert Half · IT - Administration

Senior Network Engineer

United States, Honolulu Employment contract, Contract work · Job Posted June 04, 2026
Apply Position
Job Link Share

Job Description

We are seeking a Senior Network Engineer with experience supporting Operational Technology (OT) environments to join a growing infrastructure team. This role will focus on supporting and maintaining network operations across multiple distributed sites, with a strong emphasis on reliability, scalability, and secure connectivity.

Job Responsibility

  • Provide hands-on support and engineering for enterprise and OT network environments aligned to the Purdue Model
  • Manage and support Cisco switching infrastructure, with a transition toward Fortinet (SD-WAN, firewalls) and Meraki wireless solutions
  • Troubleshoot and resolve network performance, connectivity, and security-related issues across multiple locations
  • Support network operations across 9+ retail and terminal sites spanning multiple islands
  • Collaborate with architecture leadership while focusing on implementation, support, and optimization of network solutions
  • Participate in network upgrades, migrations, and ongoing improvements to standardize infrastructure

Requirements

  • Strong experience in enterprise networking, preferably in environments with OT components
  • Hands-on experience with Cisco switches, Fortinet firewalls/SD-WAN, and Meraki wireless
  • Understanding of Purdue Model or similar network segmentation frameworks for OT/IT environments
  • Proven ability to support geographically distributed environments and remote sites
  • Strong troubleshooting skills across LAN/WAN, wireless, and firewall technologies

What we offer

  • Medical, vision, dental, and life and disability insurance
  • 401(k) plan
Robert Half - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Senior Network Engineer

8 matching positions

Senior Network Engineer

We are looking for a highly skilled HPE Aruba Senior Network Engineer – Premium ...
Location
Location
India
Salary
Salary:
Not provided
https://www.hpe.com/ Logo
Hewlett Packard Enterprise
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of hands-on experience supporting and troubleshooting HPE Aruba WLAN solutions in large-scale enterprise environments
  • Expert knowledge of 802.11 standards, RF design, and enterprise Wi-Fi troubleshooting
  • Hands-on experience with HPE Aruba Mobility Controllers (AOS 8 & AOS 10), HPE Aruba APs, and HPE Aruba Central
  • Strong understanding of VLANs, QoS, AAA (RADIUS/TACACS), firewall rules, and network security best practices
  • Experience working in a high-pressure premium support environment with enterprise customers
  • Excellent problem-solving, analytical, and communication skills
Job Responsibility
Job Responsibility
  • Deliver premium support services to enterprise customers using HPE Aruba WLAN AOS8/AOS10 and HPE Aruba Central
  • Troubleshoot and resolve complex wireless performance, authentication, and roaming issues
  • Provide advanced technical guidance, best practices, and proactive recommendations for HPE Aruba WLAN environments
  • Work closely with customers to diagnose issues in HPE Aruba Mobility Controllers, APs, ClearPass (NAC), and cloud-managed networks in HPE Aruba Central
  • Perform Wi-Fi site analysis, RF tuning, and optimization for high-density environments
  • Analyze logs, packet captures, and HPE Aruba telemetry data to identify root causes of network issues
  • Collaborate with Engineering teams and product management team for escalations and fixes
  • Monitor and maintain customer networks using HPE Aruba Central, AirWave, and AI-driven analytics
  • Assist with firmware upgrades, security patching, and HPE ArubaOS version migrations
  • Document troubleshooting steps, resolutions, and best practices for internal teams and customers
What we offer
What we offer
  • Health & Wellbeing
  • Personal & Professional Development
  • Unconditional Inclusion
  • Fulltime
Read More
Arrow Right

Senior Network Engineer

Experienced leader in networking technology across multiple hardware vendors. Th...
Location
Location
United States , Oakbrook Terrace
Salary
Salary:
Not provided
aislabs.com Logo
AIS (Illinois)
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of Wired and Wireless Networking support experience
  • Ability to design and implement VLAN structure into an existing layer-2 only network
  • Solid understanding of network concepts and troubleshooting related to switching, routing, firewalls, and wireless
  • Good documentation skills
  • Proficiency in ticketing systems
  • Reliable transportation
  • Ability to multi-task, prioritize and work efficiently
  • Ability to work within a fast-paced environment
  • Ability to have some flexibility with work schedule
  • Excellent technical and analytical skills
Job Responsibility
Job Responsibility
  • Administering and implementing various Wired and Wireless Networking solutions for small and medium-sized client environments
  • Advanced understanding of Network Security Policies, Monitoring Tools and Network troubleshooting
  • Ability to migrate and upgrade client environments
  • Basic Windows Server and Network maintenance
  • Installation and troubleshooting of various IT solutions
  • Troubleshoot advanced issues escalated from Tier 1 and Tier 2 support
What we offer
What we offer
  • Paid Training
  • PTO
  • Paid Holidays
  • Paid Vacation
  • Medical & Dental
  • Simple IRA
  • Fulltime
Read More
Arrow Right

Senior Network Engineer

You’ll join a collaborative and technically accomplished team that’s passionate ...
Location
Location
United Kingdom , London
Salary
Salary:
80000.00 GBP / Year
dynamicsearch.co.uk Logo
Dynamic Search Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • CCIE certified (Routing & Switching, Enterprise, or Data Center) - recently achieved or in progress
  • Strong hands-on experience with Cisco technologies including Nexus, ACI, Catalyst, ASA, and ISE
  • Exposure to or keen interest in automation and cloud-network integrations (ACI, SDN, SD-WAN, DNA Center)
  • Proven experience supporting large-scale enterprise or financial services environments
  • Excellent communication skills with the ability to engage with technical and non-technical stakeholders
  • Strong analytical mindset and problem-solving abilities
Job Responsibility
Job Responsibility
  • Designing, configuring, and deploying Cisco-based network infrastructure
  • Supporting enterprise network transformation and optimisation projects
  • Collaborating with consultants, architects, and client stakeholders on solution delivery
  • Providing hands-on technical guidance and troubleshooting for complex network issues
  • Keeping up to date with emerging technologies and Cisco best practices
  • Assisting in automation, SDN, and cloud-network integration projects (ACI, SD-WAN, DNA Center)
What we offer
What we offer
  • Hybrid working (3 days per week onsite in London)
  • Opportunity to work on high-profile financial sector projects
  • Structured career development and training support
  • Access to leading Cisco technologies and next-gen network environments
  • Collaborative, technically driven team culture
  • Fulltime
Read More
Arrow Right

Senior Network Engineer

CCIE certification and exposure to technologies like Meraki, CheckPoint, CradleP...
Location
Location
India , Vadodara
Salary
Salary:
Not provided
enormousenterprise.com Logo
Enormous Enterprise
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree in computer science, engineering or related field, or equivalent work experience
  • At least 5 years of experience in network engineering, preferably in a consulting or service provider environment
  • CCIE certification or equivalent level of knowledge and skills
  • Hands-on experience with technologies like Meraki, CheckPoint, CradlePoint, SDWan, F5 and Nexus Switches
  • Strong knowledge of network protocols, standards and architectures, such as TCP/IP, OSPF, BGP, MPLS, VPN, QoS, VLAN, STP, VRF and VPC
  • Excellent communication, collaboration and problem-solving skills
  • Ability to work independently and under pressure, and manage multiple projects and deadlines
  • Willingness to work on-call as needed
Job Responsibility
Job Responsibility
  • Design, configure and deploy network solutions for clients, including LAN, WAN, wireless, firewall, load balancing, VPN and cloud services
  • Monitor and manage the network performance, availability and security, using tools like SolarWinds, PRTG, Wireshark and Splunk
  • Troubleshoot and resolve network issues, including routing, switching, firewall, VPN and wireless problems
  • Provide technical support and guidance to clients and internal teams, as well as document network configurations, changes and best practices
  • Research and evaluate new network technologies and solutions, and recommend improvements and upgrades
  • Collaborate with other network engineers, project managers and vendors, and ensure compliance with network standards and policies
Read More
Arrow Right

Senior Network Engineer

Applicant will need assistance with deploying Cisco FIP compliant firewalls in v...
Location
Location
United States , Santa Clara
Salary
Salary:
Not provided
nexlogica.com Logo
Nexlogica
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6 to 8 years of knowledge, skills and experience in the following areas: Routing and switching
  • Building VPN tunnels using Cisco FIPS compliant firewalls (Firepower)
  • Traffic engineering
  • Data encryption
  • Wireless networking technology
  • Installing, configuring, testing, and documenting the equipment/network systems
  • Specifically versed in deploying: Cisco equipment including routers, switches, and firewalls
  • Aruba wireless access points and controllers
  • Certification in CCNP Enterprise
  • Security certification(s) is highly desirable
Job Responsibility
Job Responsibility
  • Assist with firewall deployment and configuration at PSJ site(s)
  • Assess design criteria to ensure knowledge of desired outcome
  • Implement firewalls as agreed to with county network engineers
  • Participate in testing and validation of encryption method
  • Support and help maintain deployed configurations that have successfully passed testing criteria
  • Share any new insights with county network team for future use in deploying this technology
Read More
Arrow Right

Senior Network Engineer

Barbaricum is currently seeking a highly skilled and experienced Senior Network ...
Location
Location
United States , Muscatatuck
Salary
Salary:
Not provided
barbaricum.com Logo
Barbaricum
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Must possess an DoD active TS/SCI Clearance
  • Bachelor’s degree in a technical discipline or equivalent experience in Network Operations
  • Meet Information Assurance Technical (IAT) Level 2 requirements of DODD 8570.1M
  • Minimum 10 years of experience in network configuration and operation, preferably in cyber range or computer test-bed environments
  • Demonstrated expertise in designing and configuring computer networks, including routing, switching, firewalls, DNS, VPNs, and VLANs across both bare metal and virtualized systems
  • Experience in the configuration and management of physical and virtual network switches, routers, and cryptographic devices
Job Responsibility
Job Responsibility
  • Take primary responsibility for managing the cyber program’s network, ensuring efficient operation and addressing any issues that arise
  • Develop network policies and engage in both short and long-range planning based on comprehensive analysis and strategic objectives
  • Serve as a technical expert on network system policy and planning, offering recommendations for network systems engineering improvements
  • Lead efforts in problem identification and resolution within the network infrastructure, ensuring minimal disruption to operations
  • Participate in the development of technology roadmaps and strategies to address complex network challenges
  • Provide enterprise network engineering and support for a campus area network type facility, including policy and procedure development
  • Work with wireless infrastructure supporting 802.11x, 4G, 3G, and 2G technologies to support the MUTC Wireless Network
  • Configure and manage Joint Information Operations Range (JIOR) and Joint Training and Experimentation Network (JTEN) nodes
  • Communicate with outside training organizations to understand and implement their network requirements for training exercises
Read More
Arrow Right

Senior DevOps Network Engineer

FinXL Professional Services is a leading IT consultancy that partners with clien...
Location
Location
Australia , Sydney
Salary
Salary:
Not provided
finxl.com.au Logo
FinXL
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Extensive experience with F5 application delivery controllers (ADC)
  • Expertise with Python and a strong understanding of SDLC
  • Extensive experience in data centre networks, including Cisco ACI, switching, and routing
  • Experience with on-prem firewall platforms (e.g., Cisco, Fortinet, or Palo Alto)
  • Experience with CICD tools and pipelines (e.g., Azure DevOps Services)
  • Experience with infrastructure orchestration tools (e.g., Terraform or Ansible)
  • Familiarity with ITIL and change management processes
Job Responsibility
Job Responsibility
  • Design the process and build automation for software updates on Cisco and F5 products
  • Provide technical input into low-level detailed designs and implementation plans
  • Execute automation and network-related tasks within the infrastructure program
  • Contribute to the design and implementation of the Bank's automation platform
  • Engage with vendors and partner stakeholders to support Core Modernisation delivery
  • Facilitate change controls, scheduling, and communications aligned with ITIL processes
  • Communicate timeline updates effectively across the wider project program
Read More
Arrow Right

Senior Network Engineer

Integration into the technology development team, responsible for evolving the I...
Location
Location
Portugal , Lisbon
Salary
Salary:
Not provided
https://www.inetum.com Logo
Inetum
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Over 4 years of experience as a Network Technician or in similar roles
  • Proven knowledge of complex infrastructures
  • Solid understanding of IP Networks and Telecommunications (IPv4/IPv6, TCP/IP, Multicast)
  • Hands-on experience with protocols such as HTTP, FTP, SSH, SMTP, SNMP, UDP, and ICMP
  • Proficient in programming languages and data formats: Python, Perl, PHP, REST, JSON, XML
  • Skilled in tools such as MS Office, MS Visio, Ansible, Wireshark, NetFlow, SNMP, Nagios, Zabbix, Prometheus, and Grafana
  • Operating systems: Linux, Microsoft Windows (7, 8, 8.1, 10, 13)
  • Familiar with platforms such as Red Hat OpenShift and Oracle
  • Experience with network equipment: Routing & Switching (ALU, Cisco), Fortinet Firewalls
  • Knowledge of MPLS and monitoring protocols
Job Responsibility
Job Responsibility
  • Implement solutions in a controlled lab environment
  • Execute validation tests and perform technical troubleshooting
  • Collect and analyze technical outputs, contributing to the documentation of results
  • Create and update technical documentation (e.g., high/low level design, service specifications, information system specifications)
  • Evolve the IP transport network infrastructure and services
  • Validate new technology versions (software and hardware)
  • Develop fixed and mobile services across B2B, B2C, and Wholesale segments
  • Fulltime
Read More
Arrow Right