{"schemaVersion":"jobsearcher.job.v1","id":"3758932917d8ac0c6b4f391f","url":"https://jobsearcher.com/jobs/3758932917d8ac0c6b4f391f","canonicalUrl":"https://jobsearcher.com/jobs/3758932917d8ac0c6b4f391f","title":"Network Engineer III","description":"Network Engineer III Firewall & Network InfrastructureWe are seeking a Network Engineer III with strong expertise in firewall engineering and enterprise network infrastructure, with a heavy emphasis on Juniper SRX environments. This role will focus on implementing and troubleshooting network security policies, supporting critical infrastructure, and optimizing network performance across enterprise environments.Key ResponsibilitiesDesign, implement, and support enterprise network infrastructure, including routing, switching, and security componentsConfigure, implement, and troubleshoot Juniper SRX firewalls, primarily via CLIDevelop, update, and manage security policies, ensuring compliance with organizational standardsAdminister and support Cisco routers, switches, and ASA firewalls, including ACL updates and configurationsManage and support F5 load balancers, including basic configuration and troubleshootingDesign and document network architecture and topologiesConduct network assessments to identify performance issues, capacity gaps, and security vulnerabilitiesImplement and maintain network security technologies, including firewalls and intrusion detection systemsProgram and configure routers and switches to support business requirementsSupport implementation of data and/or voice communication technologiesTest, tune, and optimize network and security devices for performance and reliabilityProvide recommendations for network optimization, scalability, and resiliencyManage network initiatives from planning and design through implementation and supportRequired Skills & Qualifications5–10 years of experience in network engineering within enterprise environmentsStrong hands-on experience with Juniper SRX firewalls (must-have)Policy implementation and troubleshootingCLI-based configurationExperience with Cisco networking equipment, including:Routers and switchesASA firewallsACL configuration and managementFamiliarity with F5 load balancersSolid understanding of routing and switching conceptsExperience with network security technologies and best practicesStrong knowledge of:Network protocols (e.g., TCP/IP, BGP, OSPF, etc.)Network hardware and infrastructure designExperience designing and documenting network architecturePreferred SkillsExperience in large-scale enterprise or data center environmentsExposure to network monitoring and performance toolsKnowledge of high availability and failover designFamiliarity with automation or scripting for network managementAdditional Details:Pay: $55/hrLocation: Denver, COHybrid position (4 days/week on site)12 month W2 contract with potential for extension or conversionW2 Only - We are unable to provide sponsorship currently (US Citizen & GC holder only)Eight Eleven Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, national origin, age, sex, citizenship, disability, genetic information, gender, sexual orientation, gender identity, marital status, amnesty or status as a covered veteran in accordance with applicable federal, state, and local laws.","company":"Brooksource","rawCompany":"brooksource","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-05-17T17:41:16.301Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1241.00","title":"Computer Network Architects","slug":"computer-network-architects"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Network Engineer III","description":"Network Engineer III Firewall & Network InfrastructureWe are seeking a Network Engineer III with strong expertise in firewall engineering and enterprise network infrastructure, with a heavy emphasis on Juniper SRX environments. This role will focus on implementing and troubleshooting network security policies, supporting critical infrastructure, and optimizing network performance across enterprise environments.Key ResponsibilitiesDesign, implement, and support enterprise network infrastructure, including routing, switching, and security componentsConfigure, implement, and troubleshoot Juniper SRX firewalls, primarily via CLIDevelop, update, and manage security policies, ensuring compliance with organizational standardsAdminister and support Cisco routers, switches, and ASA firewalls, including ACL updates and configurationsManage and support F5 load balancers, including basic configuration and troubleshootingDesign and document network architecture and topologiesConduct network assessments to identify performance issues, capacity gaps, and security vulnerabilitiesImplement and maintain network security technologies, including firewalls and intrusion detection systemsProgram and configure routers and switches to support business requirementsSupport implementation of data and/or voice communication technologiesTest, tune, and optimize network and security devices for performance and reliabilityProvide recommendations for network optimization, scalability, and resiliencyManage network initiatives from planning and design through implementation and supportRequired Skills & Qualifications5–10 years of experience in network engineering within enterprise environmentsStrong hands-on experience with Juniper SRX firewalls (must-have)Policy implementation and troubleshootingCLI-based configurationExperience with Cisco networking equipment, including:Routers and switchesASA firewallsACL configuration and managementFamiliarity with F5 load balancersSolid understanding of routing and switching conceptsExperience with network security technologies and best practicesStrong knowledge of:Network protocols (e.g., TCP/IP, BGP, OSPF, etc.)Network hardware and infrastructure designExperience designing and documenting network architecturePreferred SkillsExperience in large-scale enterprise or data center environmentsExposure to network monitoring and performance toolsKnowledge of high availability and failover designFamiliarity with automation or scripting for network managementAdditional Details:Pay: $55/hrLocation: Denver, COHybrid position (4 days/week on site)12 month W2 contract with potential for extension or conversionW2 Only - We are unable to provide sponsorship currently (US Citizen & GC holder only)Eight Eleven Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, national origin, age, sex, citizenship, disability, genetic information, gender, sexual orientation, gender identity, marital status, amnesty or status as a covered veteran in accordance with applicable federal, state, and local laws.","datePosted":"2026-05-17T17:41:16.301Z","dateModified":"2026-05-17T17:41:16.301Z","hiringOrganization":{"@type":"Organization","name":"Brooksource","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"3758932917d8ac0c6b4f391f"},"url":"https://jobsearcher.com/jobs/3758932917d8ac0c6b4f391f"}}