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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** Sky Construction And Engineering, Inc. - **Location:** Sandston, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Cloud Computing, Configuration Management, Wavelength-Division Multiplexing, Data Centers, Linux, EtherChannel, Trunking, Monitoring of Systems, Networking Hardware, IPv4, IPv6, Internet Services, Python (Programming Language), Network Security, Network Layer, Network Architecture, Network Diagrams, Network Planning and Design, Network Monitoring, Routing, Packet Analyzer, Network Administration, Paessler Router Traffic Grapher, Performance Tuning, Post Office Protocol, Ansible, TCP/IP, Traffic Analysis, Virtual Local Area Networks, Virtualization Technology, Zabbix, Scripting, VLAN Trunking Protocol (VTP), Computer Network Operations, System Availability, Firewalls (Computer Science), Juniper, Information Technology, Low Latency, Api Design, Firewall Services Module, Terraform, Open Network Automation Platform, Cisco - **Published:** August 23, 2026 - **Apply:** https://www.careerbuilder.com/job-details/network-engineer-sandston-va--c838e37f-aacf-4c97-9a54-44c900410d1a ## About the Role We are seeking a highly skilled Senior Network Engineer (L3+) with Datacenter experience to join our Deployment & Support team. This role involves designing, deploying, operating, and optimizing large-scale, highly available network infrastructures across data centers and POP (Point of Presence) environments. The ideal candidate will have deep expertise in Layer 2/Layer 3 networking, datacenter architecture, automation, and security, along with hands-on experience in Cisco and Palo Alto platforms., 7+ years in enterprise/datacenter network engineering (L3+) Experience in large-scale infrastructure, ISP, cloud, or tech environments Networking Expertise (L3+) Expert knowledge of: TCP/IP Routing protocols IPv4/IPv6 Traffic analysis and packet capture Networking Expertise (L2) Strong hands-on experience with: STP / RSTP / MSTP VLANs & Trunking EtherChannel / LAG VTP L2 security and stability Datacenter & Hardware Hands-on with: Cisco IOS-XE (C9200, C9300X) Palo Alto PAN-OS Experience with: StackWise / StackWise Virtual Optical networking & fiber troubleshooting DWDM (preferred) Automation & Systems Python scripting (must-have) Ansible (preferred) Linux OS proficiency API-based automation Security Strong knowledge of: Firewalls Network security practices Palo Alto Panorama, Experience with monitoring tools: Zabbix, PRTG Exposure to: Virtualization Storage systems Strong understanding of: Fiber optics (cabling, connectors, patch panels) Experience working with: Global teams Service providers and colocation facilities, Strong analytical and problem-solving skills Excellent communication and coordination abilities Ability to work in a fast-paced global environment Willingness to travel (10-30%) Ability to handle physical tasks (lifting equipment if needed) Education Bachelor's or Master's degree in: Computer Science, This role is ideal for a CCNP-certified Senior Network Engineer (L3+) with deep datacenter deployment, operations, and automation experience, capable of managing large-scale, mission-critical networks end-to-end., Asset Management, Automation, Best Practices, CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, Capacity Management, Cisco Network Systems, Cloud Computing, Collocation, Communication Skills, Computer Science, Configuration Management, Cross-Functional, Electrical Wiring, Firewalls, Hardware Configuration Management, Hardware Installation, High Availability, Identify Issues, Incident Management, Intellectual Property (IP), Internet Service Providers, JNCIA - Juniper Networks Certified Internet Associate, Layer 3 Protocols, Lifting Equipment, Maintain Compliance, Network Administration/Management, Network Architecture/Engineering, Network Design, Network Operations Center, Network Performance/Analysis, Network System Hardware, Operational Improvement, Operations Processes, Optical Networking, Organizational Skills, POP (Post Office Protocol), Performance Analysis, Performance Tuning/Optimization, Process Improvement, Process Management, Project Lifecycle, Regulatory Compliance, Root Cause Analysis, Security Compliance, Security Monitoring, Statement of Work (SOW), VLAN (Virtual Local Area Network), Willing to Travel ## Description 1. Deployment & Operations Deploy, configure, and maintain large-scale datacenter and POP network infrastructure Work with Cisco (C9200, C9300X) and Palo Alto (PA5500) platforms Ensure minimal user disruption during deployments, migrations, and upgrades Support rack design, cabling, power planning, and hardware installation Create rack elevations, floor layouts, port maps, and wiring diagrams Manage asset lifecycle and inventory of networking equipment 2. Datacenter & POP Engineering Design and implement datacenter network architecture Work with colocation vendors, carriers, and facilities teams Handle power, cooling, and capacity planning Create Statements of Work (SOWs) for vendors Ensure adherence to datacenter best practices 3. Troubleshooting & Incident Management Perform deep-dive troubleshooting of complex L2/L3 issues Conduct root cause analysis (RCA) and implement permanent fixes Diagnose failures across network devices, servers, and optical links Escalate issues and collaborate with cross-functional teams 4. Network Automation Develop automation using: Python Ansible Terraform Build scripts for: Configuration management Provisioning Monitoring & remediation 5. Performance & Optimization Monitor network performance and capacity Identify bottlenecks and improve: Latency Throughput Implement proactive optimizations 6. Security & Compliance Manage firewalls and security policies (Palo Alto, Panorama) Ensure compliance with security standards Implement L2/L3 security best practices 7. Documentation & Process Improvement Maintain accurate documentation: IP/VLAN plans Network diagrams Change logs Improve operational processes and automation Manage RMA processes and vendor coordination, 1. Preparation Phase Network design and planning Hardware configuration and cabling support 2. Migration Phase Execute phased migrations (cell-by-cell) Ensure minimal disruption to users 3. BAU (Business as Usual) Support new deployments Troubleshoot issues Manage VLANs and IP changes Update firewall policies and documentation ## Related Videos - [IoT: The road to sustainability](https://www.wearedevelopers.com/videos/557-iot-the-road-to-sustainability) - [IP Authentication: A Tale of Performance Pitfalls and Challenges in Prod](https://www.wearedevelopers.com/videos/1413-ip-authentication-a-tale-of-performance-pitfalls-and-challenges-in-prod) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)