Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world.

To be eligible for this position, you must be a U.S. Person, defined as a U.S. citizen, permanent resident, Asylee, or Refugee.

Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below.

Vantor is seeking an experienced IT Application Support Engineer to design, implement, secure, and support enterprise application infrastructure across on-premises and cloud environments. This role focuses on application delivery, Layer 7 networking, cloud platforms, and systems engineering to ensure the availability, performance, scalability, and security of mission-critical business applications.

The successful candidate will have strong experience with application load balancing, Web Application Firewalls (WAF), cloud networking, server administration, and infrastructure automation. This position works closely with software development, cybersecurity, networking, and operations teams to deliver resilient and highly available application services.

Key Responsibilities

Application Delivery & Engineering

Design, deploy, and support highly available application delivery platforms and supporting infrastructure.

Configure and manage Layer 7 technologies including load balancers, reverse proxies, SSL/TLS services, traffic management policies, and Web Application Firewalls (WAF).

Support and administer technologies such as F5 BIG-IP LTM/ASM, AWS ALB/NLB, Azure Application Gateway, NGINX, HAProxy, Citrix ADC, or equivalent solutions.

Troubleshoot application performance, connectivity, authentication, API, and availability issues.

Develop and maintain high-availability, failover, and application resiliency solutions.

Partner with development and cybersecurity teams to support application deployments and secure application architectures.

Infrastructure & Cloud Operations

Administer Windows and Linux server environments across physical, virtual, hybrid, and cloud platforms.

Support AWS, Azure, and other cloud environments, including networking, security, monitoring, and identity management services.

Manage virtualization platforms and infrastructure services supporting enterprise applications.

Implement Infrastructure as Code (IaC) and automation solutions using tools such as Terraform, Ansible, PowerShell, or Python.

Monitor system health, performance, and capacity to ensure reliable service delivery.

Security & Compliance

Implement and maintain security controls aligned with organizational and regulatory requirements.

Support vulnerability remediation, system hardening, application security, and incident response efforts.

Assist with audits, compliance initiatives, and continuous improvement of security posture.

Maintain application and infrastructure observability through monitoring, logging, and alerting platforms.

Collaboration & Support

Provide Tier 2 and Tier 3 support for application and infrastructure-related incidents.

Participate in on-call rotations and critical incident response activities.

Collaborate with engineering, operations, cybersecurity, and business stakeholders on strategic initiatives.

Maintain technical documentation, architecture diagrams, and operational procedures.

Contribute to process improvements, technology evaluations, and mentoring of junior team members.

Required Qualifications

Bachelor's degree in Information Technology, Computer Science, Engineering, or equivalent experience.

5+ years of experience supporting enterprise applications, infrastructure engineering, systems administration, or application delivery platforms.

Experience administering Layer 7 networking and application delivery technologies.

Hands-on experience with load balancing and Web Application Firewall (WAF) solutions, including F5 BIG-IP LTM/ASM, AWS ALB/NLB, Azure Application Gateway, or equivalent platforms.

Experience supporting Windows and Linux operating systems.

Experience with AWS, Azure, or other cloud platforms.

Strong understanding of TCP/IP, DNS, HTTP/S, SSL/TLS, routing, firewalls, reverse proxies, and application networking concepts.

Experience with virtualization, hybrid cloud architectures, and infrastructure automation.

Proficiency with scripting or automation tools such as PowerShell, Python, Bash, Terraform, or Ansible.

Strong analytical, troubleshooting, communication, and problem-solving skills.

Preferred Qualifications

AWS Certified Solutions Architect or SysOps Administrator

Microsoft Azure Administrator or Solutions Architect

F5 Certified Administrator (F5-CA)

Cisco CCNA/CCNP

VMware VCP

CompTIA Security+ or equivalent security certification

Experience with Docker, Kubernetes, OpenShift, or other container platforms

Familiarity with CI/CD pipelines, DevOps practices, and modern application architectures

Experience with observability, monitoring, and SIEM platforms

Knowledge of Zero Trust principles and cybersecurity frameworks

Core Competencies

Application Delivery & Engineering

Layer 7 Networking

Cloud Infrastructure

Web Application Firewall Administration

Infrastructure Automation

Security & Compliance

Troubleshooting & Root Cause Analysis

Technical Leadership & Collaboration

Why Join Vantor

At Vantor, we are committed to delivering innovative, secure, and scalable technology solutions that support our customers and mission objectives. We offer a collaborative environment where engineers can solve complex technical challenges, contribute to modernization initiatives, and help shape the future of enterprise application infrastructure.

Pay Transparency: To support pay transparency, Vantor includes salary ranges in all U.S. job postings. Starting pay for this role will fall within the listed range and will be based on factors such as experience, qualifications, skills, location, and market conditions. Candidates who meet the minimum requirements for the role should not expect to receive compensation at the top of the range. The listed range reflects the expected pay for this position, and final offers will be determined based on each candidate’s experience, expertise, and alignment with the role.

● The base pay for this position within Colorado is: $109,000.00 - $145,000.00 - $159,500.00 annually.

For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.

Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: https://www.Vantor.com/careers

Additionally, this position is incentive eligible with a target based on contribution, company performance, and/or individual results achieved; the specific incentive plan and target amount will be determined based on the role and breadth of contributions.

The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.

The date of posting can be found on Vantor's Career page at the top of each job posting.

To apply, submit your application via Vantor's Career page.

EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.

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