Network Security & Operations Engineer

Diverse Lynx LLC
Denver, United States of America
6 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate
Compensation
$ 121K

Job location

Denver, United States of America

Tech stack

3d Models
Address Resolution Protocols
iOS
Bash
Border Gateway Protocol
Wireless Broadband
Cisco PIX
Configuration Management
Computer Networks
Network Address Translation
DevOps
Enhanced Interior Gateway Routing Protocol
Failover
Firmware
Network Topologies
Internet Control Message Protocol
Networking Hardware
Interoperability
Intrusion Detection and Prevention
Virtual Private Networks (VPN)
Multi-protocol Systems
Junos
Python
Local Area Networks
Network Security
Network Layer
Network Planning and Design
Network Monitoring
Routing
Packet Analyzer
Open Shortest Path First
Ansible
Simple Network Management Protocols
Virtual Local Area Networks
Wide Area Networks
Diagnostic Tools
Scripting (Bash/Python/Go/Ruby)
Firewalls (Computer Science)
Juniper
Low Latency
Firewall Services Module
REST
Open Network Automation Platform
Cisco networks

Job description

We are seeking highly skilled enterprise networking technologies, with strong expertise in Cisco and Juniper platforms (IOS, Junos). The ideal candidate will be responsible for designing, developing, and maintaining scalable, high performance customer equipment's, * Perform remote configuration, deployment, and troubleshooting of customer premises equipment (CPE), including enterprise-grade IP routers, Layer 2/Layer 3 switches, and Client across multi-vendor environments (Ruckus, Juniper).

  • Design and implement scalable LAN network solutions.
  • Develop and maintain lab environments to emulate production network topologies for validation, testing, and proof-of-concept (PoC) initiatives.
  • This includes rack/stack, cabling, OS imaging, and configuration management.
  • Execute comprehensive lab-based testing of new and existing network hardware and software, including firmware validation, interoperability testing, performance benchmarking (latency, throughput, convergence), and failover scenarios.
  • Perform troubleshooting of network performance issues.
  • Implement and manage network security controls including firewall policies, ACLs, NAT, segmentation, and intrusion detection/prevention features across multi-vendor platforms.
  • Automate network provisioning and configuration tasks using scripting and tools (e.g., Python, Ansible, REST APIs), improving efficiency and reducing manual configuration errors.
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Requirements

  • Telecom Domain experience

  • Cisco and Juniper platforms

  • LAN network solutions

  • Routing Protocols, * 3-5+ years of hands-on experience with enterprise networking technologies, with strong expertise in Cisco and Juniper platforms (IOS, Junos).

  • Deep understanding of Layer 2 and Layer 3 networking concepts, including:

  • VLANs, STP/RSTP/MSTP

  • Routing protocols: OSPF, BGP, EIGRP (design, redistribution, policy control)

  • ARP, ICMP, and TCP/IP stack behavior

  • Strong experience with network design and architecture principles, including hierarchical design models, redundancy, and failover mechanisms.

  • Proven experience deploying and managing enterprise firewalls (Cisco ASA/FTD, Juniper SRX), including policy design, VPN configuration, and threat mitigation.

  • Familiarity with WAN technologies and services such as MPLS , Metro Ethernet, SD-WAN, and broadband connectivity.

  • Experience with network monitoring and troubleshooting tools such as SNMP and packet capture/analysis.

  • Exposure to network automation frameworks and scripting (Python, Ansible, Bash) is highly desirable.

  • Strong analytical, troubleshooting, and problem-solving skills with the ability to work in complex, multi-vendor environments.

About the company

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