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.

Title: Network Engineer Senior Location: Remote, USA Job Description: Job ID Number RQ218555 Category Information Technology Employment Type Full Time Business Unit GDIT Responsibilities for this Position Location: Any Location / Remote Full Part/Time: Full time Job Req: RQ218555 Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: Other Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Microsoft Windows Server, Network Engineering, Network Operations Certifications: None Experience: 7 + years of related experience US Citizenship Required: Yes Job Description: Transform technology into opportunity as a Network Engineer Senior at GDIT. Shape what's next for mission-critical government projects while shaping what's next for your engineering career. MEANINGFUL WORK AND PERSONAL IMPACT As a Network Engineer Senior, the work you'll do at GDIT will be impactful to the mission of our customers. WHAT YOU'LL NEED TO SUCCEED Bring your engineering expertise along with a drive for innovation to GDIT. As the Network Engineer Senior you will be responsible for: - Management of Juniper SRX 4100 firewalls - Management of F5 Load Balancers to include SSL certificate offloading, and custom iRule management - Windows system technical leadership - Optimizing health of network infrastructure and devices by taking proactive action to maximize uptime and mitigate risk - Enhancing security posture by utilizing tools such as Tenable Security Center and HCL BigFix to identify and remediate security vulnerabilities on systems running Windows and Red Hat Enterprise Linux - Utilizing Group Policies to align Windows system configuration in accordance with the DISA STIG security standards - Maintaining production application SSL certificates and Windows Public Key Infrastructure for user authentication - Managing user accounts, credentials, privileges, and access controls via Windows Active Directory - Liaison to external network operations teams - Maintaining Software Defined Network based model utilizing the Cisco ACI platform. - Maintaining Cisco ACI backbone hardware architecture utilizing Nexus spine and leaf switches as well as Application Policy Infrastructure Controllers (APIC's). - Defining Contracts for filtering traffic between endpoints within the ACI infrastructure. - Maintaining Windows Server 2019 infrastructure. - Maintaining multi-site Windows 2019 Active Directory Domain. - Maintaining Remote Desktop Services. - Maintaining a Windows Public Key Infrastructure with certificate authority to enable smart card login from local and remote sources. - Maintaining Windows Server Update Services to enable centralized management of Windows system patches. - Performing DISA STIG security hardening on Windows Active Directory domain member hosts utilizing Group Policies. - Maintaiinng automatically replicating file servers to backup and provide high availability to user data. - Maintaining a BIND DNS infrastructure on Red Hat Enterprise Linux Education: Bachelor of Arts/Bachelor of Science Experience: 5+ years of related experience Location: 100% remote Security clearance level: Be able to obtain Position of Trust US citizenship required GDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do. Growth: AI-powered career tool that identifies career steps and learning opportunities Support: An internal mobility team focused on helping you achieve your career goals Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off Community: Award-winning culture of innovation and a military-friendly workplace OWN YOUR OPPORTUNITY Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward. The likely salary range for this position is $93,662 - $111,550. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. Scheduled Weekly Hours: 40 Travel Required: None Telecommuting Options: Remote Work Location: Any Location / Remote Additional Work Locations: Total Rewards at GDIT: Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. GDIT typically provides new employees with 15 days of paid leave per calendar year to be used for vacations, personal business, and illness and an additional 10 paid holidays per year. Paid leave and paid holidays are prorated based on the employee's date of hire. The GDIT Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most. We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Title: Network Engineer Job#: 3030984 Job Description: Location: Princeton, NJ (Partial Remote) Employment Type: Contract Pay Range: $45 - $51 per hour Role Overview We are seeking a Network Engineer who is motivated by variety, seeks a challenging environment for professional growth, and is interested in supporting large information technology projects. As a Network Engineer, you will be involved in the full system life cycle of our local area network infrastructure, from development to operations. This includes designing, configuring, testing, implementing, and supporting LAN solutions. Key Responsibilities - Provide daily support with resolution of escalated tickets and apply operation break fixes and other proactive maintenance. - Architect, design, configure, test, implement, review, and support on-premise and cloud networking solutions. - Keep the existing network facilities portfolio supported and reliable through life cycle plans and investment roadmaps. - Stay abreast of the latest technology advancements and future trends in this domain. - Identify technical requirements and provide cost-effective solutions to meet desired business outcomes. - Identify and automate tasks that can be automated. - Validate new requests with existing architecture to verify compatibility and ensure business needs are met. - Develop and communicate reusable architecture policies, standards, guidelines, and procedures. - Ensure that design and application implementation meet security and quality assurance standards. - Maintain existing Service Level Agreements. Required Qualifications - A Bachelor’s degree is required. Additional years of experience may be considered in lieu of a degree - 6+ years of experience as a technical engineer or architect designing, developing, implementing, and supporting network projects. This includes 2-3 years in network operations support and troubleshooting, 2 years as a consultant analyzing end-user needs, and 1 year applying architectural principles and managing product life cycles. - A heavy focus on at least three of the following is required: Cisco Switches, Cisco Routers, Cisco Firewalls, F5 Load Balancers, Cisco Wireless Controllers, Cisco Identity Services Engine (ISE), or Cisco Network Access Control (NAC). Preferred Qualifications - Experience in scripting and infrastructure as code using tools such as Ansible. - Advanced professional training and certifications such as CCNA, CCNP, CCIE, or PMP. - Knowledge of technologies such as Cloud Services (IaaS, PaaS, SaaS), Directory Services (LDAP, DNS, AD), ServiceNow, and SolarWinds. - Knowledge of the Utility business. Compensation & Benefits The pay range for this position is between $45.00/hr and $51.50/hr. This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. Apex uses a virtual recruiter as part of the application process. Click here for more details. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details. Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.