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Sr. Network Engineer

NextDecade
United States, Texas, Brownsville
Jul 02, 2025
ABOUT NEXTDECADE CORPORATION
NextDecade is committed to providing the world access to reliable, lower carbon energy. We are focused on delivering secure, low-cost, and sustainable energy solutions through the safe and efficient development and operation of natural gas liquefaction and carbon capture and storage infrastructure. Through our subsidiaries, we are developing and constructing the Rio Grande LNG natural gas liquefaction and export facility near Brownsville, Texas, with approximately 48 MTPA of potential liquefaction capacity currently under construction or in development. We are also developing a potential carbon capture and storage project at the facility that is expected to make meaningful impacts toward a lower carbon future. NextDecade's common stock is listed on the Nasdaq Stock Market under the symbol "NEXT." NextDecade is headquartered in Houston, Texas. For more information, please visit www.next-decade.com .
SUMMARY OF THE ROLE
A Senior Network Engineer will be part of an IT infrastructure team that provides the backbone in ensuring the stability of our enterprise network infrastructure. In this role, you'll be responsible for implementing and supporting our LNG Facility location, data center, cloud, and satellite Brownsville office networks that are available and running 24x7. Responsibilities include providing advanced-level support on routing and switching, Palo Alto firewall, Fortinet firewall, Remote Access VPN, SD-WAN, and network segmentation. In this role, you will work with the IT Network Manager, IT Infrastructure Team in conjunction with the IT Cybersecurity Team, to ensure business continuity and service optimization.

KEY RESPONSIBILITIES
  • Implementation and support of network and infrastructure deployment projects in IT and manufacturing environments.
  • Engineer and deploy solutions for Cisco Routers/Switches, Firewalls, WAN, LAN, and cloud technologies.
  • Provide advanced levels of support on azure networking with SDWAN
  • Ensure and enhance the security posture of networks and infrastructure by partnering with global security and adhering to policies and procedures
  • Research and setup network configuration management tools, monitoring, automation tools, and workflows
  • Develop and maintain clear documentation of technical solutions and communicate plans to management
  • Provide level 1 support through level 3 support.
  • Support third-party and cloud vendors to protect corporate assets and data.
  • Responsible for the implementation of approved network architecture and designs
  • Integrates communication architectures, topologies, hardware, software, transmission, and signaling links and protocols into complete network configurations.
  • Assists in the development and documentation of technical standards and implements approved methods of procedure.
  • Contributes to designing corporate standards and developing network enhancements
  • Works on projects/systems/issues of varying complexity surrounding network planning, configuration, and optimization.
  • Provides support across organizations.
  • Design and implement an enterprise wireless system.
  • Deploys and maintains large-scale enterprise-level security services
REQUIREMENTS
  • Bachelor's degree in computer since, a technology-related field, or equivalent education-related experience
  • Minimum of 8 years of combined experience in the Networking and Cybersecurity domain.
  • 8+ years' experience implementing and supporting enterprise networks with SD-WAN and advanced-level routing
  • Experience in building assessments and audits, including network cybersecurity and Risk. Also, remediation plans for physical and virtual environments.
  • Experience with Microsoft Azure, Microsoft Office 365, and compliance management tools is preferable.
  • Advanced level knowledge in Palo Alto/Cisco/Fortinet Firewalls.
  • Implement and troubleshoot S2S VPN and Remote Access VPN, Cisco WLC, Meraki.
  • 8+ years' experience operating a network; in-depth knowledge of network topology, subnetting, routing, switching, data flows, etc.
  • 8+ years' experience with Azure network integration and support
  • Expertise with LAN/WAN routing protocols (BGP, OSPF, EIGRP, VRF), including route redistributions and route-filters
  • Hands-on experience in Network Protocols: HTTP | HTTPS | TCP/IP | UDP | STP | VTP | VLAN | DHCP | FTP | TFTP | VRRP | HSRP | SSH | Telnet | SSLVPN | IPsec | MPLS.
  • Hands-on experience in LAN/WAN Systems, Inter-VLAN Routing and Trucking, IP Internetworking, Gateway Redundancy, Nat, and Switch Security.
  • Expertise with TCP/IP networking, troubleshooting, and analysis and working knowledge of modern Cisco platforms/software/practices (e.g., ISR, Catalyst, IE Switch, Nexus)
  • Expertise with Windows AD, Virtual Servers, VMware, SAN, etc.
  • CCNP Level knowledge and experience in Routing and Switching technologies
MINIMUM/PREFERRED KNOWLEDGE, EXPERIENCE, SKILLS & ABILITIES
  • Strong understanding of the following network protocols: BGP, IPsec, and IPsec Via VPN
  • Strong experience with configuring security appliances
  • Self-starter able to drive towards goal and manage time effectively.
  • Analytical and the ability to think and resolve issues on the spot.
  • Able to work in a collaborative and fast-paced environment.
  • Ability to work efficiently within a team as well as being a self-directed worker that is comfortable working independently with little supervision.
  • Able to communicate and translate technical topics into easy-to-understand concepts.
  • Core understanding of resource management and allocation
  • Experience with industrial network requirements
  • Strong understanding of cloud computing capabilities and limitations, business drivers, virtualization technologies, Infrastructure as a Service, Platform as a Service and Software as a Service Cloud delivery models
  • Customer escalation and conflict resolution skills are required.
  • Ability to effectively document and develop standard operating procedures.
  • Excellent verbal and written communication skills
  • Working knowledge of Active Directory
  • Proficient use of Microsoft office tools including but not limited to Word, Excel, Outlook, SharePoint, Power BI, Azure, Exchange, MS Team
REQUIRED/PREFERRED EDUCATION & CERTIFICATIONS
  • Bachelor's degree in information technology, Computer Science, or equivalent experience preferred
  • CCNA Routing and Switching (required).
  • CCNP Routing and Switching (Preferred).
  • CCNP Security (Preferred).
  • PCNSA Palo Alto Certified Network Security Administrator (Required).
  • PCNSE Palo Alto Certified Network Security Engineer (Preferred).
  • Fortinet Certified Solution Specialist Network Security (Required).
  • Fortinet Certified Professional Network Security (Preferred).
  • Azure AZ-900 Certification (required).
  • VMware certified VCA/VCP.
  • Security +
Work Environment
This position operates in a professional office environment with occasional work within or outside of a complex construction environment. This role routinely uses standard office equipment such as computers, phones, photocopiers/fax, filing cabinets, etc. This is primarily a sedentary role; however, the incumbent must be able to stand and/or sit continuously to perform all essential job functions for a full shift.
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to support individuals with ADA-recognized disabilities to perform the essential functions for the job.
* Ability to lift up to 20 lbs. as required in order to lift files, boxes and office equipment as necessary.
* Ability to lift files, open filing cabinets and bending, standing on a stool, or climbing as necessary to perform these functions.
* While performing the duties of this role, the incumbent may be required to talk or hear.
* The incumbent is required to stand, walk, use hands to handle or feel; and reach with hands and arms.
* Ability to move throughout all areas of each office/site location and facilities.
* Able to wear all necessary PPE equipment to perform job functions.
If you require accommodations during the application or interview process, please contact Human Resources at recruiting@next-decade.com.
Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.
*In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.
NEXTDECADE VALUES
* Safety - We make safety a priority. Everything we do relies on the safety of our people and the communities around us.
* Integrity - We do the right thing, and are open, ethical, and fair. We hold ourselves to the highest standards in all that we do.
* Honesty - We value truth and honesty in ourselves and others. We honor our commitments and take responsibility for our actions.
* Respect - We listen, and respect people, the environment, and the communities in which we live and work.
* Transparency - Transparency builds trust. We promote open communication with our people, our customers, and all our stakeholders.
* Diversity - We value diversity of people and thought. It takes people with different strengths, ideas, and cultural backgrounds to make our company succeed.
NextDecadeprovides equal employment opportunities (EEO) to all applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. NextDecadecomplies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.
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