• Design and provision cloud solutions across the network, including firewalls, disaster recovery, storage, and backup systems, directly contributing to customer success and operational reliability. • Maintain accurate documentation and system records by updating databases, creating detailed Visio diagrams, and developing MOPs and SOPs. • Review and approve cloud service orders, coordinate with internal teams to resolve provisioning delays, and participate in customer maintenance activities as needed. • Partner with Project Management and Engineering teams to deliver an exceptional customer experience throughout implementation engagements. • Support virtualization technologies including VMware vSphere, vCloud Director, and Nutanix, and contribute to audits, disconnects, and special projects as assigned.

• Manage & support CID network infrastructure • Ensure reliable service for CID teams & customer programs • Troubleshoot and remediate service outages & degradation • Ensure consistent network policies and rules across environment • Provide hands-on support of data center network equipment • Support all network team projects and initiatives • Collaborate with team members and department leadership to modernize and update infrastructure as needed • Document network environment and participate in change management as required

Role Description Sentinel Technologies is seeking a highly skilled Network Support Engineer with CCIE-level expertise in Routing and Switching. This is a high-impact, senior-level role requiring deep technical knowledge, strong customer engagement skills, and the ability to lead and mentor junior engineers. The ideal candidate will thrive in a fast-paced enterprise environment and play a key role in supporting and optimizing complex network infrastructures. This is a full-time remote role with occasional on-site support at the Downers Grove, Illinois office. Qualifications - CCIE (Routing & Switching) certification or equivalent hands-on expertise is required - Must have experience in network engineering/support within enterprise environments - Strong knowledge of routing and switching protocols (BGP, OSPF, EIGRP, VLANs, STP, etc.) - Hands-on experience with firewalls, DNS, DHCP, and F5 load balancers - Proven ability to troubleshoot complex network issues in production environments - Experience mentoring or overseeing junior engineers - Excellent communication and customer-facing skills - The candidate must have a car, as this position requires travel between locations and the transportation of equipment - A valid driver’s license and proof of vehicle insurance will be required - Legally authorized to work in the US without sponsorship - Must demonstrate a “can-do” attitude - We focus on candidates that display our “ACE” factor – Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service. Requirements - Compensation: $150,000-$170,000 Benefits - Energetic work environment with many corporate culture amenities - Competitive salary - Rich benefit plan including: - Medical, Dental, Vision - 401K - 529 - Life Insurance - Income Protection Short and Long-Term Disability - Medical and Child/Elder Care - Flexible Spending Account Plans - Family Planning Benefits - Financial Education - Identity Theft Protection and Assistance - Legal Services - Employee Assistance Program - Two weeks’ vacation - Additional paid time-off for Personal and Sick - Certification and hands-on training - Employee discount for product services and entertainment

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide - including Brex, Rippling, Navan, Qantas, SHEIN and many more - with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Proudly founded in Melbourne, we have a team of over 2,000 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. If you're ready to do the most ambitious work of your career, join us. Attributes We Value We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you're motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero-to-one ideas into real products, and you "get stuff done" end-to-end. You use AI to work smarter and solve problems faster. Here, you'll tackle complex, high-visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let's build what's next. About the team Corporate IT drives our IT support, IT engineering and business engineering functions at Airwallex. IT Engineering is the core team that drives our technology experiences from communications and video conferencing to managing our computers, applications, identity and access management. Network Operations builds our corporate network, supports our international access for our Airwallex staff all over the globe, and ensures a reliable and stable experience for our remote and in-office needs. We design, build and run the systems and services our Airwallex team uses to build our product, serve our customers and run our business. We partner with every team in the business, from Finance to Engineering, People Operations and Support and solve problems and create solutions for the many challenges our teams face. What you'll do - Build the foundations of our new corporate network, and help design the team structure and size for the future - Design and build corporate network infrastructure for new Airwallex offices as we expand globally, and upgrade our existing portfolio - Design, implement, and maintain highly available and secure corporate network infrastructure (LAN, WAN, Wireless, VPN) across multiple global offices and regions. - Configure on-prem gateway/router/networking hardware globally, including mixed vendors in some locations - Manage global connectivity over international leased lines and domestic internet connections - Lead the configuration and troubleshooting of complex network devices, including routers, switches, firewalls, load balancers, and wireless access points. - Own CorpNet, and act as a first-responder or escalation point for complex network issues, running an incident through to completion and after-action reports. - Collaborate with cross-functional teams (e.g., CorpSec, ProdSec, Engineering, Product, IT Engineering, Workplace, etc.) to integrate network solutions and support business initiatives. - Work with IT Engineering, IT Support on troubleshooting network issues on endpoints, including basic IT operations support, building a core networking understanding among the team - Develop and maintain comprehensive network documentation, including diagrams, configurations, and operational procedures. - Evaluate and recommend new networking technologies and solutions to stay ahead of our business growth - Mentor, develop and coach other network engineers and staff, sharing knowledge and fostering skill development within the team - manage underperformers and attract talent - Participate in a global on-call rotation, providing primary response for corp networking issues in a follow-the-sun model. - Flexible scheduling (as needed) to support the business and team initiatives -- i.e. participate in network upgrades after-hours or weekend implementation work to minimise business disruption. Must haves - Senior-level experience with designing, implementing and maintaining Juniper and Palo Alto Networks vendor solutions - Demonstrated experience in a multi/mixed networking vendor environment (Juniper, Palo Alto, Cisco, Aruba, etc.) in a global company - Experience with networking solutions for mainland China and international connectivity - Strong fundamental understanding of wifi technology and endpoint engineering - hardware knowledge a plus (Juniper Mist, Cisco Meraki, Aruba, etc.) - Expert understanding of command-line configuration of networking hardware and vendors (JunOS, IOS, etc.) Nice to haves - Strong knowledge of Palo Alto Networks GlobalProtect, Prisma/Prisma Cloud and core networking fundamentals - Managed or lead a team of network engineers - ideally at a startup, from early days to a large corporate footprint, you've seen the growth happen and know the problems that come with it - Bachelor's degree in Information Technology, Computer Science, or a related field, 5+ years of relevant experience in a similar role. - Strong, demonstrated written and verbal English communication skills, - Understanding of common identity standards, including SAML, OAuth, SSO, etc. - Experience using and understanding of cloud infrastructure (AWS, GCP, etc.) - Understanding of RBAC, ABAC, PBAC, ACLs and common access management principles in security and corporate IT environments - Experience working in all SaaS-based systems and applications - Strong understanding of MDM systems (macOS, windows; kandji, JAMF, intune, etc.) - Ability to move fast and urgently, making correct decisions and assumptions - sometimes without all the information Applicant Safety Policy: Fraud and Third-Party Recruiters To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page. Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. Equal opportunity Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don't regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.