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Job Title


Client Facing Fortinet Network Engineer


Company : square10.net


Location : New York City, NY


Created : 2026-03-04


Job Type : Full Time


Job Description

Benefits:401(k)401(k) matchingBonus based on performanceCompetitive salaryDental insuranceHealth insurancePaid time offVision insuranceWe are not looking for someone who just knows Fortinet. We are looking for someone who enjoys solving real problems, communicating clearly under pressure, and being a trusted partner to clients. At Square10, network engineers do more than implement and support. They help IT leaders make confident decisions. If you value variety, clean execution, and plain-English communication, this role is for you.Why Square10We help IT leaders cut through complexity and make confident decisions. Our clients—leading law firms and professional services organizations—stick with us because we deliver real business results and we’re great to work with. If you’re the person teams call in a crunch and you explain the hard stuff in plain English, you’ll fit right in.The RoleThis is a hands-on, client-facing network engineering role focused on Fortinet-centric environments. You will support our clients, lead troubleshooting efforts, and design and implement secure, scalable network solutions across multiple client environments.Some days you will be deep in FortiGate flow debugging. Other days you will be leading a migration, coordinating with a carrier, or walking a client through next steps. Variety is the norm. Clear thinking and steady execution are expected.What You’ll DoOperational Support and TroubleshootingTriage, troubleshoot, and resolve network incidents across FortiGate, FortiSwitch, FortiAP, and WAN circuits from Level 1 through Level 3Perform structured root-cause analysis and deliver durable fixes rather than temporary workaroundsUse advanced troubleshooting tools and techniques including:FortiGate flow debugging, packet capture, session and routing analysis, and log interpretationWireshark and packet analysis to isolate Layer 3 through Layer 7 issuesCoordinate with ISPs, carriers, and vendors and own support cases through resolutionCommunicate clearly with clients during incidents, including impact, status, and next stepsDesign, Projects, and ImprovementsDesign, implement, and optimize Fortinet-based network and security solutionsLead or co-lead project delivery, including:Discovery and requirements gatheringSolution recommendations aligned to client risk and business needsImplementation plans with validation and rollback stepsAs-built documentation and operational handoffCommon project work includes:FortiGate deployments, migrations, and FortiOS upgradesSD-WAN design and rollout including SLA health checks, traffic steering, and failover behaviorVPN design and troubleshooting including site-to-site IPsec and client VPNsNetwork segmentation and security posture improvementsEnterprise wireless design and optimization with FortiAPPlatform Ownership Across ClientsFortiManagerMaintain disciplined policy, object, and template workflowsEnforce standards while accommodating client-specific requirementsEnsure version control, audit readiness, and consistent change managementFortiAnalyzerEnsure comprehensive logging, visibility, and retentionDeliver reporting and operational insight that drives actionFortiClient EMSDesign and maintain endpoint, VPN, ZTNA, and posture configurationsEnsure reliable deployment, upgrades, and version controlLifecycle, Switching, and ResiliencyDefine and maintain firmware standards for FortiGate, FortiSwitch, and FortiAPPlan and execute upgrades using documented runbooks and validation stepsDesign and troubleshoot campus LAN environments including:VLANs, trunks, STP or RSTP, LACP, LLDP, and PoESupport HA firewall environments, SSL inspection, and routingStatic routing required; BGP experience preferredDocumentation and QualityOwn diagrams, IP plans, as-built documentation, and operational notesContribute to reusable standards, templates, and runbooks across clientsWhat You’ll BringFive (5) or more years designing, implementing, and supporting enterprise network environmentsStrong hands-on experience with Fortinet technologies including FortiGate, FortiSwitch, and FortiAPSolid understanding of core networking and security principles including TCP/IP, routing, and switchingProven experience with FortiGate SD-WAN, VPN technologies, and high availability firewall environmentsHands-on use of FortiManager and FortiAnalyzer in production environmentsExperience troubleshooting complex network issues efficiently and calmlyAbility to design and support secure, scalable network architectures aligned to client needsA consulting mindset with the ability to own outcomes, manage priorities, and adapt across client environmentsStrong judgment in production environments with appropriate risk awareness and escalationClear communicator who can explain technical decisions to both technical and non-technical audiencesDisciplined executor who plans carefully, validates changes, and documents thoroughlySelf-directed, organized, and accountable for resultsEnjoys client interaction and on-site workContinuous learner with interest in evolving network and security technologiesCertificationsFortinet NSE 4 required or obtained within an agreed timeframeFortinet NSE 7 preferredWillingness to maintain required certifications for Square10 and client engagementsNice-to-HavesAzure infrastructure experience, including FortiGate connectivity patternsAutomation exposure such as FortiOS API or AnsibleNAC or 802.1X experienceNetwork monitoring and management toolsStrong presentation and client-facing communication skillsHow We WorkWe listen first, solve fast, and keep communication open and honest. You will collaborate with people who are confident without being cocky and flexible without losing clarity.Location & BenefitsThis role is open only to candidates located in the New York City or Philadelphia metro areas. Work is hybrid by design, with remote flexibility balanced by regular client site visits within these regions. Approximately 25 to 40 percent on-site presence is expected, with occasional travel outside the immediate area as needed.This is a full-time, salaried position with bonus potential. Square10 offers a comprehensive benefits package including a 401(k) plan and company-sponsored training and certifications. We also actively encourage you to use your paid time off.Ready to Apply?Send your resume to . If your experience doesn’t line up 1:1 but you’re clearly strong on modern management and love solving for people, we’re all ears.EOE: Square10 considers all qualified applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status, or any other protected characteristic under applicable law.Flexible work from home options available.