Network Security Engineer

Blue Mantis

Network Security Engineer providing technical support and technology solutions for network transformation and operations. Collaborating with stakeholders and ensuring network stability and functionality.

Posted 6/3/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDNSSwitching

About the role

Key responsibilities & impact

Participate in daily network, firewall, and operational support.
Ability to troubleshoot network issues and failures and follow best practices and troubleshooting methodology to quickly assess current situations, find solutions, and implement changes to correct and/or update network topologies to ensure stability and functionality.
Provide technical analysis of operational issues and remediations during troubleshooting efforts to ensure documentations and procedures are followed and updated during active events. This includes the ability to report to management.
Stay up to date on emerging technologies and products, including attaining certifications and participation in industry events as appropriate.
Work with various stake holders to lead problem solving, evolve system roadmap and take critical decisions.
Provide clear communication with regular updates/reports to the management team.

Requirements

What you’ll need

Minimum of 5 years’ experience in deployment and configuration and architectural design of networking technologies specific to routing, switching and general network security best practices, in which 3 years must be in customer-facing positions.
Minimum of CCNA or comparable level of knowledge.
Ability to work on call rotation as needed.
B.S./B.A./M.S. degree or equivalent technical training.
Fortinet NSE 6 and NSE 7
Knowledge of Azure and AWS
Experience with Aruba ClearPass, Aruba switches and wireless
Experience with Cisco Firepower Services and Palo Alto security services.
Understanding of encryption and SSL/TLS technologies and best practices.
Experience working for or with local government, service providers, and/or enterprises customers.
Experience in large Data Center or Enterprise/campus designs, architecture, deployment and configuration with physical and virtual appliances. Familiarity with applications driving modern infrastructure design in private and public cloud.
Experience in networking technologies such as STP, Nexus vPC, IPSEC / SSLVPN, Routing: VRF, MPLS, OSPF, BGP and Multi-Homed environments.
Datacenter Network services including Security, Load Balancing, DNS, etc. at the virtual and physical level.
Experience with Cisco, Juniper, Fortinet, HP, Aruba and CATO products (Firewall, Routing / switching, SASE, wireless and security)
Wireless networking technologies including access-control platforms such as Cisco ISE or Aruba Clear Pass Policy Manager
IPS/IDS, as well as other NGFW (Next Gen Firewall) features and capabilities.
Ability to write incident and problem record documentation to support daily efforts.
Strong analytical thinking and decision-making skills & highly organized.
Strong ability to influence others and build consensus via excellent verbal and written communication skills.

Benefits

Comp & perks

🌐 Worldwide ❌ Jobs You've Hidden ⭐️ Saved Jobs ✅ Applied Jobs ✉️ Email Alerts 👤 Account Blue Mantis Website LinkedIn All Job Openings 201 - 500 employees Founded 1993 🔒 Cybersecurity 🏢 Enterprise ☁️ SaaS Cybersecurity
Enterprise
SaaS Blue Mantis is a versatile IT solutions company specializing in optimizing IT environments for cost efficiency and security. They provide managed services, cybersecurity and risk management, cloud solutions, carrier services, networking, and datacenter modernization. With expertise across multiple industries including finance, healthcare, public sector, and manufacturing, Blue Mantis tailors its services to fit the unique needs of its clients. Their aim is to drive digital transformation and foster innovation while prioritizing employee productivity and business growth. Blue Mantis also emphasizes the importance of creating modern workspaces and enhancing developer experiences. Their broad capabilities and strategic focus make them a valuable partner in navigating complex IT landscapes. Network Security Engineer Job not on LinkedIn 🔥 0 minutes ago 🇺🇸 United States – Remote ⏰ Full Time 🟡 Mid-level 🟠 Senior 👮‍♂️ Cybersecurity / Security Engineer AWS Azure Cloud DNS Switching Apply Now Find Hiring Managers Customize resume + cover letter Report problem ☆ Save ☑️ Mark as applied ❌ Hide 📋 Description
Participate in daily network, firewall, and operational support.
Ability to troubleshoot network issues and failures and follow best practices and troubleshooting methodology to quickly assess current situations, find solutions, and implement changes to correct and/or update network topologies to ensure stability and functionality.
Provide technical analysis of operational issues and remediations during troubleshooting efforts to ensure documentations and procedures are followed and updated during active events. This includes the ability to report to management.
Stay up to date on emerging technologies and products, including attaining certifications and participation in industry events as appropriate.
Work with various stake holders to lead problem solving, evolve system roadmap and take critical decisions.
Provide clear communication with regular updates/reports to the management team. 🎯 Requirements
Minimum of 5 years’ experience in deployment and configuration and architectural design of networking technologies specific to routing, switching and general network security best practices, in which 3 years must be in customer-facing positions.
Minimum of CCNA or comparable level of knowledge.
Ability to work on call rotation as needed.
B.S./B.A./M.S. degree or equivalent technical training.
Fortinet NSE 6 and NSE 7
Knowledge of Azure and AWS
Experience with Aruba ClearPass, Aruba switches and wireless
Experience with Cisco Firepower Services and Palo Alto security services.
Understanding of encryption and SSL/TLS technologies and best practices.
Experience working for or with local government, service providers, and/or enterprises customers.
Experience in large Data Center or Enterprise/campus designs, architecture, deployment and configuration with physical and virtual appliances. Familiarity with applications driving modern infrastructure design in private and public cloud.
Experience in networking technologies such as STP, Nexus vPC, IPSEC / SSLVPN, Routing: VRF, MPLS, OSPF, BGP and Multi-Homed environments.
Datacenter Network services including Security, Load Balancing, DNS, etc. at the virtual and physical level.
Experience with Cisco, Juniper, Fortinet, HP, Aruba and CATO products (Firewall, Routing / switching, SASE, wireless and security)
Wireless networking technologies including access-control platforms such as Cisco ISE or Aruba Clear Pass Policy Manager
IPS/IDS, as well as other NGFW (Next Gen Firewall) features and capabilities.
Ability to write incident and problem record documentation to support daily efforts.
Strong analytical thinking and decision-making skills & highly organized.
Strong ability to influence others and build consensus via excellent verbal and written communication skills. Apply Now 📊 Check your resume score for this job Improve your chances of getting an interview by checking your resume score before you apply. Check Resume Score Similar Jobs Senior Security Advisor 🔥 14 minutes ago Optiv 1001 - 5000 Website LinkedIn All Job Openings Senior Security Advisor driving growth of advanced cybersecurity solutions and aligning them with client needs. Collaborating with various internal teams to deliver tailored security strategies for clients. 🇺🇸 United States – Remote ⏰ Full Time 🟠 Senior 👮‍♂️ Cybersecurity / Security Engineer 🦅 H1B Visa Sponsor Cyber Security Senior Product Security Engineer 🔥 6 hours ago Tines 51 - 200 ☁️ SaaS 🔒 Cybersecurity 🏢 Enterprise Website LinkedIn All Job Openings Senior Product Security Engineer at Tines focusing on robust security for AI-assisted development. Leading security initiatives across engineering while integrating with product and development teams. 🇺🇸 United States – Remote 💵 $218k - $235k / year ⏰ Full Time 🟠 Senior 👮‍♂️ Cybersecurity / Security Engineer 🦅 H1B Visa Sponsor AWS Cloud Docker Kubernetes Ruby Rust SDLC TypeScript Technical Liaison – Foreign Security Cooperation Programs 🔥 10 hours ago Leidos 10,000+ employees 🔒 Cybersecurity 🔬 Science Website LinkedIn All Job Openings Technical Liaison advising U.S. government on Foreign Military Sales programs. Provide technical expertise and develop strategies for global security assistance acquisition. 🇺🇸 United States – Remote 💵 $92.3k - $166.8k / year ⏰ Full Time 🟠 Senior 🔴 Lead 👮‍♂️ Cybersecurity / Security Engineer 🦅 H1B Visa Sponsor Associate Director – Cybersecurity Posture, Hygiene, AI 🔥 11 hours ago AbbVie 10,000+ employees 💊 Pharmaceuticals 🧬 Biotechnology ⚕️ Healthcare Insurance Website LinkedIn All Job Openings Associate Director leading an enterprise security posture and hygiene program at AbbVie. Driving cybersecurity strategies and managing multidisciplinary teams in a global organization. 🇺🇸 United States – Remote 💵 $141.5k - $268.5k / year ⏰ Full Time 🟠 Senior 👮‍♂️ Cybersecurity / Security Engineer 🦅 H1B Visa Sponsor Cyber Security Security Engineer – Cybersecurity Posture, Hygiene & AI Enablement 🔥 11 hours ago AbbVie 10,000+ employees 💊 Pharmaceuticals 🧬 Biotechnology ⚕️ Healthcare Insurance Website LinkedIn All Job Openings Security Engineer enhancing AbbVie’s cybersecurity posture in a collaborative tech team. Implementing security controls, solutions, and working with AI for improved outcomes. 🇺🇸 United States – Remote 💵 $84.5k - $162k / year ⏰ Full Time 🟡 Mid-level 🟠 Senior 👮‍♂️ Cybersecurity / Security Engineer 🦅 H1B Visa Sponsor Linux Python View More Security Engineer Jobs 🌐 Worldwide Built by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com Search Search Jobs by country Search jobs by city Search jobs by job title Search entry-level jobs Search junior-level jobs Search senior-level jobs Search jobs by tech stack Search jobs by contract type Search remote internships Search remote part-time jobs Remote jobs Anywhere in the World Companies Hiring Anywhere in the World Companies Hiring Sales People Anywhere in the World Companies Hiring Software Engineers Anywhere in the World Resources Advice Tips for finding remote jobs Interview questions and answers Resume examples Cover letter examples Post a job Affiliates Privacy policy Terms of service Job board SEO course AI Apply Copilot OpenClaw job finder Jobs by Country Remote jobs anywhere in the world (Worldwide remote jobs) Remote jobs United States Remote jobs Australia Remote jobs Brazil Remote jobs Canada Remote jobs France Remote jobs Ireland Remote jobs Germany Remote jobs Netherlands Remote jobs Spain Remote jobs UK Popular Jobs Remote data analyst jobs Remote customer support jobs Remote executive assistant jobs Remote marketing jobs Remote product designer jobs Remote product manager jobs Remote project manager jobs Remote recruiter jobs Remote sales jobs Remote software engineer jobs Jobs by Type Remote full-time jobs Remote part-time jobs Remote contract jobs Remote internship jobs Remote entry-level jobs Remote jobs with no experience required Remote junior jobs (1-3 years of experience) Digital nomad jobs Remote jobs with no degree required Freelance remote jobs Temporary remote jobs Remote jobs hiring now Stay at home mom jobs

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Hard Skills & Tools

networking technologiesroutingswitchingnetwork securityencryptionSSL/TLSIPSECMPLSBGPdata center design

Soft Skills

analytical thinkingdecision-makingorganizational skillsinfluenceconsensus buildingverbal communicationwritten communication

Certifications

CCNAFortinet NSE 6Fortinet NSE 7