Systems, Network & Full Stack Applications Engineer

Job Overview
Our client is looking for a self-directed Systems, Network & Full Stack Applications Engineer to take ownership of infrastructure standardization, security, application architecture, and emerging AI-driven initiatives across a diverse portfolio of brands. The ideal candidate will be comfortable working across multiple business units, independently managing high-impact technical initiatives, and contributing to both infrastructure and software development projects.

This role combines systems engineering, network administration, web application development, and AI-enabled solution design. The successful candidate will help establish a secure and scalable technology foundation while supporting the development and maintenance of modern business applications.

Schedule
Monday - Friday, 9:00 AM - 5:30 PM Pacific, with a 30-minute unpaid break (40 hours per week).

Responsibilities
Security Baseline
Conduct cross-brand security baseline assessments in alignment with security audits and evolving security requirements.
Identify configuration vulnerabilities and implement endpoint security standards.
Deploy and maintain security monitoring, alerting, and incident response processes.
Develop and maintain security policies, standards, and documentation.
Partner with stakeholders to improve overall security posture across all business units.

Network Standardization
Audit existing network infrastructure across multiple locations and brands.
Design and implement standardized network architectures, including:
-VLANs
-Firewall rules
-Access control policies
Guest and employee network segmentation
Create documentation and deployment standards for future locations and acquisitions.
Optimize network performance, scalability, and security.

Centralized Identity Management
Design and implement centralized identity and access management solutions.
Standardize Single Sign-On (SSO) and Multi-Factor Authentication (MFA) across all environments.
Manage user lifecycle processes including onboarding, offboarding, and access governance.
Support authentication requirements for internal platforms, customer portals, and future application initiatives.

Brand Website Security
Perform security reviews of externally facing websites and web applications.
Identify and remediate vulnerabilities.
Implement SSL/TLS best practices.
Configure Web Application Firewall (WAF) protections where appropriate.
Establish ongoing monitoring and review processes.
TAM Residential Phone Systems
Assess existing phone system infrastructure across TAM Residential properties.
Identify operational gaps and opportunities for improvement.
Implement and maintain standardized VoIP solutions that support tenant and business operations.
Manage vendor relationships and solution migrations where necessary.

Full Stack Application Development
Design, develop, and maintain internal web applications and business systems.
Contribute to application architecture and technical design decisions.
Build scalable and secure web solutions using modern development frameworks.
Collaborate with stakeholders to translate business requirements into technical solutions.
Troubleshoot application issues and implement enhancements.

Infrastructure Mapping & Optimization
Analyze existing infrastructure supporting applications and business operations.
Document infrastructure dependencies and system architecture.
Recommend and implement improvements to performance, scalability, security, and reliability.
Ensure infrastructure aligns with business growth and application requirements.

AI & Automation Initiatives
Contribute to AI-powered business initiatives and automation projects.
Participate in Agentic AI development and workflow automation solutions.
Develop and optimize prompts for Large Language Models (LLMs).
Evaluate emerging AI technologies and identify practical business applications.
Collaborate with business and technical teams to implement AI-enabled processes.

Application Deployment & DevOps Support
Support application deployment, maintenance, and production operations.
Manage Git repositories, branching strategies, and version control processes.
Contribute to CI/CD pipeline development and deployment automation.
Assist with environment management, testing, release planning, and monitoring.

Documentation
Produce clear, maintainable documentation for all systems and environments.
Create:
-Runbooks
-Network diagrams
-Infrastructure documentation
-Technical standards
-Application documentation
-Security policies
-Onboarding procedures

Cross-Team Collaboration
Partner with Infrastructure, Security, Product, and Applications teams.
Collaborate on authentication, networking, security, and application requirements.
Provide technical guidance and recommendations to stakeholders.
Support strategic technology initiatives across the organization.

Initiatives You Will Own
Cross-Brand Security
Establish and maintain a unified, documented security posture across all brand groups.
Network Architecture
Deliver audited and standardized networking infrastructure with repeatable deployment standards.

Identity Management
Build and maintain centralized SSO and MFA capabilities supporting all internal systems and portals.
Web Security
Ensure all externally facing applications and websites are secure, monitored, and regularly reviewed.

Application Development
Contribute to the design, development, deployment, and ongoing enhancement of internal applications.
AI Initiatives
Support the development and adoption of AI-enabled business solutions and automation opportunities.
TAM Phone Systems
Implement and maintain a reliable, scalable VoIP platform across TAM Residential properties.

Required Qualifications
5+ years of experience as a Systems Engineer, Network Engineer, Infrastructure Engineer, Full Stack Developer, or similar technical role.
5–7+ years of Full Stack Web Application Development experience.
Strong experience with:
Next.js
TypeScript
Python
SQL databases

Experience managing and administering Virtual Machines (VMs) and server environments.
Proven experience contributing to application architecture and software design decisions.
Strong understanding of infrastructure mapping, optimization, and system dependencies.
Experience with network architecture including:
-VLANs
-Firewalls
-Access policies
-SDN platforms such as Omada, UniFi, or equivalent
-Experience with identity and access management solutions including:
-Azure AD / Entra ID
-SSO
-MFA
-User lifecycle management
-Strong understanding of web security best practices including:
-SSL/TLS
-WAF technologies
-Vulnerability scanning and remediation
-Experience deploying and managing VoIP or business phone systems such as:
-Microsoft Teams Phone
-RingCentral
-GoTo

Similar platforms
Experience with Git source control and repository management.
Experience working with application deployment pipelines and CI/CD processes.
Exposure to prompt engineering and Large Language Models (LLMs).
Exposure to Agentic AI development, AI workflows, or AI-powered business applications.
Strong troubleshooting, analytical, and problem-solving skills.
Excellent written communication and documentation abilities.
Ability to work independently and execute with minimal oversight.

Preferred Qualifications
Experience implementing security monitoring, SIEM platforms, and alerting tools.
Experience with endpoint management platforms such as Intune, JAMF, or similar.
Familiarity with firewall and SDN technologies such as pfSense, Netgate, Omada SDN, or equivalent.
Experience supporting post-acquisition IT integrations and onboarding new business locations.
Experience in multi-brand, multi-tenant, franchise, or distributed business environments.
Experience deploying and maintaining production web applications.
Familiarity with cloud-hosted and hybrid infrastructure environments.
Experience with Docker, Kubernetes, or containerized workloads.
Experience integrating AI services, APIs, or automation platforms into business applications.
Exposure to observability, monitoring, and performance optimization practices.
Familiarity with compliance frameworks relevant to regulated industries.
Relevant certifications such as:
CISSP
Security+
CCNA
Azure / Entra Certifications
AWS Certifications

Independent Contractor Perks
Permanent work-from-home opportunity
Immediate hiring
Long-term engagement
Opportunity to work across infrastructure, software development, and AI initiatives
Health Insurance Coverage for eligible locations