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Sr Systems Support Engineer
Job in
Phoenix, Maricopa County, Arizona, 85003, USA
Listed on 2026-10-03
Listing for:
Remote Jobs
Full Time
position Listed on 2026-10-03
Job specializations:
-
IT/Tech
Network Engineer, Network Security, Cybersecurity, Cloud Computing: Infrastructure & Operations
Job Description & How to Apply Below
- Configures, maintains, and operates routers, switches, firewalls, load balancers, and monitoring tools
- Installs physical equipment, connects cabling, organizes communication racks, and powers devices per documentation
- Proactively monitors network infrastructure using monitoring tools, responds to alerts, and maintains updated topology documentation
- Mentors, coaches, and shares knowledge with junior team members
- Acts as an escalation point for complex incidents and requests
- Independently handles routine network service requests, access provisioning, and documentation
- Troubleshoots and resolves major incidents, leads outage bridges, and performs root cause analysis
- Owns end-to-end network infrastructure projects (design, implementation, testing, and handover)
- Develops subject matter expertise in domains such as datacenter networking, firewalls, load balancing, or cloud networking
- Collaborates with senior engineers on large-scale infrastructure projects
- Designs, deploys, configures, and troubleshoots Azure and AWS cloud networking solutions
- 6+ years of experience in core Networking and Security
- Strong experience in data security operations (administration, configuration, troubleshooting, and design)
- Hands‑on experience with multi‑vendor firewalls (Checkpoint, Cisco ASA, Cisco Firepower, Fortinet, Sonic Wall, Palo Alto)
- Experience with security tools such as WAF, NIPS, Firewall Analyzer, and DDoS protection
- Strong understanding of L3 routing protocols (OSPF, BGP)
- Experience with multi‑vendor environments (Whitebox is a plus)
- Solid knowledge of networking technologies: TCP/IP, DNS, BGP, OSPF, EIGRP, MPLS VPNs, VXLAN, Multicast
- Experience with DMVPN, IPSEC, and encryption standards
- Strong hands‑on experience in deployment, configuration, and troubleshooting of Microsoft Azure networking services, including:
- Virtual Networks (VNet), Subnets, IP Address Management
- Network Security Groups (NSG) and Azure Firewall policy configuration and troubleshooting
- Azure Load Balancer (L4) and Application Gateway (L7) setup, tuning, and issue resolution
- Azure Front Door and Web Application Firewall (WAF) configuration and debugging
- VPN Gateway (Site‑to‑Site, Point‑to‑Site) and Express Route deployment and troubleshooting connectivity issues
- User Defined Routes (UDR) and Network Virtual Appliances (NVA) configuration and routing issue analysis
- Azure DNS, Traffic Manager, and Network Watcher for diagnostics and monitoring
- Strong experience in troubleshooting Azure network issues, including:
- Connectivity issues between VNets, subnets, and on‑prem environments
- Routing misconfigurations and asymmetric routing
- NSG/Firewall rule conflicts and traffic drops
- Load balancing and application gateway backend health issues
- VPN/Express Route latency, packet drops, and tunnel failures
- Experience designing and implementing hybrid cloud connectivity (On‑prem to Azure)
- Strong understanding of Azure network security architecture and best practices
- Experience with high availability, failover, and disaster recovery design in Azure networking
- Hands‑on experience with Infrastructure as Code (IaC) using ARM templates, Bicep, or Terraform
- Knowledge of AWS networking and architectural principles
- Experience with network automation using Python, Shell scripting, YAML
- Familiarity with Dev Ops practices and CI/CD pipelines
- Bachelor’s degree in Engineering or related discipline (or equivalent experience)
- CCNA / CCNP
- Security+
- ITIL Foundation
- Microsoft Azure Fundamentals / Azure Network Engineer Associate
- Strong consulting and communication skills
- Ability to work with internal and external stakeholders
- Strong analytical and problem‑solving abilities
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