Senior Network Engineer

** Responsibilities:
***** Network Architecture & Design
**** Develop and maintain enterprise network architecture, including LAN, WAN, WLAN, SD-WAN, and data center environments.
* Design and implement scalable, secure, and resilient network solutions aligned with business objectives.
* Evaluate new technologies and make recommendations to improve performance and security.
*** Automation & Infrastructure as Code (Core Focus)
**** Lead the adoption of Network Management as Code using Terraform, Ansible, APIs, and scripting (Python).
* Replace manual “click-ops” workflows with automated, version-controlled deployments and documented patterns.
* Enable consistent delivery of network and security changes through code review, standardized templates, and repeatable releases
• Influence and enable the existing team to adopt and sustain an IaC mindset through coaching, standards, and reusable modules.
*** Implementation & Operations
**** Configure, deploy, and maintain network equipment, including routers, switches, firewalls, VPN appliances, and wireless infrastructure.
* Oversee lifecycle management of network hardware, software, and licensing
* Configure and manage wireless controllers (WLCs), access points, and wireless switches.
* Manage cloud-based networking across Azure, AWS, and hybrid connectivity, including Express Route, Direct Connect/VPN, Transit Gateway, and core cloud network constructs such as firewall, load balancer, Cloud WAN, and WAF.
*** Security & Compliance
**** Implement and maintain network security controls, including segmentation, zero-trust principles, firewalls, IDS/IPS, and NAC solutions.
* Collaborate with security teams to ensure adherence to compliance and cybersecurity standards.
* Conduct regular vulnerability assessments and support remediation of network-related findings.
*** Monitoring & Troubleshooting
**** Monitor network performance and availability using enterprise tools such as Solar Winds, Plixer, Cisco Catalyst Center, Entuity, or similar platforms.
* Provide Tier 2/3 support for escalated network-related issues.
* Lead root cause analysis for network issues and develop long-term fixes
* Create and maintain detailed documentation of network configurations, diagrams, and processes.
** Leadership & Collaboration
*** Serve as a technical escalation point for Network Engineers and other IT teams.
* Lead large-scale network projects, migrations, and upgrades.
* Collaborate with cross-functional teams including infrastructure, cybersecurity ,Dev Ops, Data Science & Technology, and application teams.
* Participate in vendor management and partner with vendors to drive outcomes
** Required Qualifications
*** Bachelor's degree in Computer Science, Management Information Systems, or relevant field (or equivalent experience)
* 10+ years of experience supporting complex, multi-site and cloud-connected environments
* Strong experience with firewall platforms such as Cisco FTD and Palo Alto (or equivalent enterprise platforms)
* Experience with VPNs (IPSec, SSL), load balancers, and wireless technologies
* Experience with SD-WAN solutions including Meraki and Velo Cloud
* Strong familiarity with network automation (Python, Ansible, APIs, and Terraform)
* Proficiency with cloud networking (Azure/AWS and OCI networking services)
* Experience maintaining and supporting WLAN environments
* Strong understanding of TCP/IP, routing protocols, switching technologies (STP, VLANs, Ether Channel), and firewall concepts
** Preferred Qualifications :
*** Relevant certifications such as CCNP, CCIE, JNCIP, PCNSE, NSE, or equivalent senior-level credentials
* Experience with zero-trust architectures and SASE frameworks
* Knowledge of VoIP, QoS, unified communications networks, and Teams Telephony
* Ability to work effectively in a fast-paced, dynamic and high-intensity environment including open-floor plan if applicable to the position, with timely responsiveness and the ability to work beyond normal business hours when required.
* Competitive comprehensive medical, dental, retirement and life insurance benefits
* Employee assistance & wellness programs
* Parental and family leave policies
* CCI in the Community:
Each office has a Charity Committee and as a part of this program employees are allocated 2 days annually to volunteer at the selected charities.
* Charitable contribution match program
* Tuition assistance & reimbursement
* Quarterly Innovation & Collaboration Awards
* Employee discount program, including access to fitness facilities
* Competitive paid time off
* Continued learning opportunities

Castleton Commodities International is a leading global energy commodities merchant and infrastructure asset investor. As a trader, CCI deploys capital on a proprietary basis in the physical and financial commodity markets, providing the Company with market insights and access. As a strategic investor and developer, CCI leverages its market expertise, operations capabilities, and industry knowledge to invest in, and develop, select commodity…