Serve as the senior technical escalation point for complex Network Security and Data Center infrastructure incidents, ensuring operational stability across global production environments.
Responsibilities
Act as the Level 3 escalation point for complex Firewall and Data Center Network incidents escalated by L1 and L2 support teams.
Perform advanced troubleshooting of Firewall policies, NAT/PAT, VPN/IPsec, security policies, packet flows, session handling, asymmetric routing, and High Availability (HA) environments.
Administer and troubleshoot Fortinet FortiGate, FortiManager, and FortiAnalyzer platforms.
Diagnose and resolve issues related to Juniper Firewalls and Cisco ASA security solutions.
Perform deep packet inspection and traffic analysis to identify root causes of complex connectivity and security issues.
Requirements
Bachelor’s degree in Computer Science, Information Technology, Telecommunications, Network Engineering, or a related field
Contribuer à l'exploitation de l'architecture de télécommunication et de cybersécurité en définissant les spécifications techniques pour assurer l’intégrité des fonctionnalités, la fiabilité de l’ensemble des éléments de télécommunication et appuyer l'intégration et l'exploitation de nouvelles solutions TI/TO dans un contexte industriel.
Développer, exploiter et faire évoluer les réseaux et infrastructures de télécommunications afin de soutenir les besoins d'affaires et les opérations industrielles en continu (24 h/24, 7 j/7).
Planifier, coordonner et exécuter les changements technologiques en appliquant les processus de gestion des changements, en évaluant les risques et en minimisant les impacts sur les opérations critiques.
Gérer la désuétude des équipements, logiciels et technologies de télécommunications en élaborant les stratégies de remplacement, de modernisation et de pérennisation des infrastructures.
Configurer, intégrer, tester et déployer des solutions technologiques en assurant leur compatibilité, leur performance et leur sécurité au sein des environnements existants.
Assurer la fiabilité, la disponibilité, l'intégrité et la résilience des infrastructures de télécommunications grâce à une surveillance proactive, à la gestion des incidents et au maintien des niveaux de service.
Requirements
Baccalauréat (ou équivalence académique) en informatique ou tout autre domaine pertinent
We are seeking an experienced, hands-on network and infrastructure security engineer to own the operational security, reliability, and continuous improvement of networks across multiple company locations. This role is primarily focused on network engineering and defensive security.
Compensation
The salary range in this posting depends on qualifications and experience. Actual compensation may vary, and this job posting is not necessarily reflective of actual compensation that may be earned, nor a promise of any specific pay for any specific employee, which is always dependent on relevant experience, qualifications/education, and other factors including work schedule, shift premiums, and overtime.
Responsibilities
Firewall and perimeter security: Administer, harden, monitor, and troubleshoot next-generation firewalls and edge services; manage rule bases, NAT, IPS/IDS, remote access, VPNs, firmware, certificates, and secure management access.
Proactive vulnerability and patch management: Maintain an accurate inventory of network/security devices; track vendor advisories, exposed services, end-of-life systems, configuration drift, and vulnerabilities. Prioritize and coordinate firmware/security updates, validate remediation, and document exceptions.
Segmentation and secure architecture: Design and maintain VLANs, ACLs, inter-VLAN controls, least-privilege access, site-to-site connectivity, and segmentation of user, server, guest, management, and other higher-risk networks. Reduce lateral-movement opportunities.
Switching, wireless, and network operations: Configure and troubleshoot managed switches, routing, DNS/DHCP dependencies, wireless controllers/APs, authentication, and network performance. Understand the security implications of each component.
Project/Task Lead – Network Engineering
General Dynamics Information Technology · Posted Nov 7, 2026
The Network Engineering Task Lead provides senior technical leadership, project oversight, and Tier III enterprise support for Army DoDIN-A network capabilities under the NETCOM ADCNOMS contract.
Compensation
The likely salary range for this position is $88,130 - $136,000.
Responsibilities
Provides technical, administrative, and operational leadership to assigned projects or tasks.
Provides technical, administrative, and operational management of assigned network engineering tasks, including team leadership and subcontractor alignment with mission requirements.
Leads engineering, integration, testing, sustainment, and troubleshooting of enterprise network capabilities including routing/switching, VPN/IPSec, MPLS, load balancers, firewalls, WAN optimization, NAC/802.1x, VoIP, wireless, DNS/DNSSEC, and virtualization platforms.
Provides Tier III escalation support for complex network, storage (SAN/NAS), virtualization, and security infrastructure issues across CONUS/OCONUS environments.
Develops and manages technical project plans, Gantt charts, POA&Ms, work breakdown structures (WBS), risk assessments, and implementation plans.
Requirements
BA/BS in Information Technology, Cybersecurity, Engineering, or a related field (or equivalent experience)
Provide proactive and reactive technical support services to ensure the stability, performance, security, and continuous improvement of a large-scale enterprise networking environment.
Locations (2)
Grand Rapids, Michigan, United States
United States
Compensation
The expected salary/wage range for this position is provided below. Actual offer may vary from this range based upon geographic location, work experience, education/training, and/or skill level. – United States of America: Annual Salary USD 109,000 - 251,000 in Michigan
Responsibilities
Provide technical support and advisory services to customers
Design, deploy, configure, operate, and troubleshoot Mist-managed WAN Edge and SSR-based SD-WAN solutions
Configure and troubleshoot Juniper SRX platforms
Support Mist Wireless environments
Use Marvis Virtual Network Assistant and Mist AI-driven operational capabilities
Requirements
Bachelor's or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, Information Technology, or equivalent practical experience
Provide proactive and reactive technical support services to ensure stability, performance, security, and continuous improvement of a large-scale enterprise networking environment.
Compensation
The expected salary/wage range for this position is provided below. Actual offer may vary from this range based upon geographic location, work experience, education/training, and/or skill level. – United States of America: Annual Salary USD 109,000 - 251,000 in Michigan
Responsibilities
Provide technical advisory to customers on Mist WAN Assurance, SSR, SD-WAN, Juniper SRX, and Mist Wireless technologies
Design, deploy, configure, operate, and troubleshoot Mist-managed WAN Edge and SSR-based SD-WAN solutions
Configure, operate, and troubleshoot Juniper SRX platforms
Support Mist Wireless environments
Use Marvis Virtual Network Assistant and other tools to troubleshoot network issues
Requirements
Bachelor's or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, Information Technology, or equivalent practical experience
Nice to have: Mist Wired Assurance
Nice to have: Juniper EX switching
Nice to have: HPE Juniper Networking / Mist certifications
Provide proactive and reactive technical support services to ensure the stability, performance, security, and continuous improvement of a large-scale enterprise networking environment.
Locations (2)
Grand Rapids, Michigan, United States
United States
Compensation
The expected salary/wage range for this position is provided below... USD 109,000 - 251,000
Responsibilities
Serves as a technical advisor to the customer, providing subject matter expertise across Mist WAN Assurance, Session Smart Router (SSR), SD-WAN, Juniper SRX, and Mist Wireless technologies.
Designs, deploys, configures, operates, and troubleshoots Mist-managed WAN Edge and SSR-based SD-WAN solutions.
Provides technical expertise for WAN Edge configuration, routing, application policies, traffic steering, path selection, high availability, and site connectivity.
Configures, operates, and troubleshoots Juniper SRX platforms, including routing, security policies, security zones, NAT, VPN/IPsec connectivity, and high-availability deployments.
Provide proactive and reactive technical support services to ensure stability, performance, security, and continuous improvement of a large-scale enterprise networking environment.
Compensation
The expected salary/wage range for this position is provided below. Actual offer may vary from this range based upon geographic location, work experience, education/training, and/or skill level. – United States of America: Annual Salary USD 109,000 - 251,000 in Michigan
Responsibilities
Provide technical advisory to customers on Mist WAN Assurance, SSR, SD-WAN, Juniper SRX, and Mist Wireless technologies
Design, deploy, configure, operate, and troubleshoot Mist-managed WAN Edge and SSR-based SD-WAN solutions
Configure and troubleshoot Juniper SRX platforms
Support Mist Wireless environments
Use Marvis Virtual Network Assistant and other tools to troubleshoot network issues
Requirements
Bachelor's or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, Information Technology, or equivalent practical experience
Detection, response, and resilience: Review firewall/network telemetry and alerts, investigate suspicious traffic and attempted intrusions, support incident containment, validate backups of device configurations, and test recovery procedures.
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