Role Description This is a remote position with occasional travel to the corporate office (Tallahassee, FL) for key project initiatives, quarterly planning, leadership collaboration, or company-wide meetings. We believe flexibility supports strong performance, innovation, and work-life balance. We are seeking a highly capable Senior Infrastructure Engineer, Cloud & Enterprise Platforms who can immediately contribute across cloud architecture, enterprise systems engineering, infrastructure modernization, and platform reliability. This role is designed for a senior-level engineer who can independently lead initiatives, solve complex infrastructure challenges, and help shape the next phase of our technology evolution across cloud, hybrid infrastructure, security, and automation. You will serve as a hands-on technical leader responsible for reliability, scalability, security, and operational excellence across both cloud and enterprise infrastructure. In this role, you will: - Administer, maintain, and optimize multiple Azure Kubernetes Service (AKS) clusters supporting our multi-tenant platform. - Manage Azure SQL databases including elastic pools, backups, connectivity, and performance tuning. - Deploy and maintain infrastructure-as-code environments using Terraform and Git workflows. - Configure and improve monitoring, logging, and observability using Azure Monitor, Log Analytics, Prometheus, and Grafana. - Manage Log Analytics workspaces and implement cost optimization strategies. - Troubleshoot application connectivity, AKS workloads, and database issues. - Implement and maintain security controls across all platform resources, including RBAC and identity configurations. - Automate operational processes using PowerShell, Python, and Bash. - Create and maintain runbooks, documentation, and operational procedures. - Collaborate closely with Development and DevOps teams to support infrastructure requirements and deployment patterns. - Participate in an on-call rotation to ensure availability of critical cloud infrastructure services. - Lead and support infrastructure projects involving Windows server modernization, platform upgrades, cloud migrations, and hybrid connectivity initiatives. - Administer and support enterprise systems including Windows Server environments, Active Directory, Group Policy, DNS, DHCP, backup platforms, and virtual infrastructure. - Support networking and security operations including virtual networks, firewalls, VPN connectivity, segmentation, private endpoints, and secure access controls. - Partner with internal teams to evaluate emerging technologies including AI-enabled operational tooling, automation platforms, and infrastructure efficiency opportunities. - Act as a senior technical resource capable of driving implementation, mentoring others, and helping establish engineering standards. Qualifications - 7 to 10 years of total infrastructure engineering experience, with at least 5 years supporting cloud and hybrid enterprise environments. - Strong hands-on Microsoft Azure experience across core services including AKS, Azure SQL, networking (VNets, NSGs, Private Endpoints), and RBAC. - Strong understanding of Kubernetes fundamentals including node pools, autoscaling, namespaces, and deployments, with production AKS support experience. - Hands-on Windows Server and virtual infrastructure experience including hypervisor management, Active Directory, backup management, Windows administration, and Group Policy. - Strong understanding of enterprise networking concepts including VLANs, routing, firewall policies, VPN technologies, and hybrid connectivity between on-premise and cloud environments. - Experience working with firewall administration, infrastructure security hardening, and access control strategies. - Experience with infrastructure-as-code using Terraform and automation using PowerShell, Python, or Bash. - Solid knowledge of monitoring and observability using Azure Monitor, Log Analytics, Prometheus, or Grafana. - Ability to troubleshoot application, connectivity, and database issues across distributed cloud environments. - Demonstrated ability to lead projects, manage technical priorities, and execute with minimal supervision. - Strong documentation habits, clear communication skills, and ability to work independently in a fast-paced environment. - Experience supporting production enterprise environments where uptime, resilience, and operational discipline are critical. - Preferred: Experience supporting healthcare platforms, security/compliance frameworks, and cost optimization initiatives. Requirements - Required: Azure Administrator Associate (AZ-104) or ability to obtain within 90 days. - Preferred: Microsoft Certified: Azure Solutions Architect Expert. - Microsoft Certified: Azure Network Engineer Associate. - Certified Kubernetes Administrator. - Microsoft Certified: Azure Security Engineer Associate. - Microsoft Certified: Azure AI Engineer Associate. - Microsoft Certified: Azure Database Administrator Associate. - HashiCorp Certified: Terraform Associate. Company Description At Aptarro, we believe the best work happens when people feel valued, supported, and empowered to thrive! Our culture is grounded in our A.R.R.O.W core values, which guide everything we do and keep us moving forward – together: - Agile Mindset – We adapt and pivot with purpose. - Relentless Resourcefulness – We find solutions, no matter the challenge. - Raise Your Hand – We step up, own it, and contribute. - Only What Matters – We simplify and focus on what drives impact. - We Do Hard Things Together – We solve tough problems as a team. We help healthcare providers get paid accurately and on time—without getting stuck in the complexity of billing, coding, and compliance. Our Revenue Cycle Management (RCM) solutions reduce denials, ensure compliance, and integrate seamlessly with EHRs, practice management, and hospital information systems—so providers can focus on what matters most: patient care. This is an opportunity to join a growing technology organization where infrastructure engineering directly influences platform performance, modernization strategy, and customer experience.

Cloud Network Security Architect SME (TIC 3.0) Location: Fully Remote (East Coast) Clearance: Public Trust, Secret Clearance preferred Employment Type: Full-time Salary: $160,000-$190,000 Role Overview The TIC 3.0 Developer SME will focus on architecting, implementing, and maintaining secure, compliant network environments in AWS with an emphasis on Trusted Internet Connections (TIC) 3.0 principles. This role involves hands-on deployment and management of Palo Alto VM-Series firewalls, infrastructure as code (IaC), hybrid connectivity, and Zero Trust/TIC-aligned security controls, often functioning independently to support federal client requirements. Responsibilities - Architect and manage complex AWS network environments to meet TIC 3.0 and federal security standards. - Deploy and manage Palo Alto VM-Series firewalls in AWS, including configuration of GlobalProtect, Panorama, and security policy orchestration. - Use Terraform or CloudFormation to deploy major networking components via Infrastructure as Code (IaC), ensuring repeatable, documented, and auditable environments. - Configure, troubleshoot, and maintain hybrid connectivity solutions, including AWS Direct Connect, Site-to-Site VPNs, and SD-WAN integrations. - Design and implement Transit Gateway architecture and VPC Peering in multi-account AWS environments. - Apply Zero Trust principles and TIC 3.0 requirements within AWS and Palo Alto ecosystems to enhance application and network security. - Serve as the primary (or sole) Network Architect/Engineer responsible for discovery, documentation, design, and execution of network security solutions with minimal supervision. - Collaborate with stakeholders to ensure secure, compliant network designs that support mission-critical federal applications.

• Development and enhancement of Python backends for complex cloud projects • Building infrastructure with Terraform (IaC) and utilizing modern AWS services • Testing, documentation, and working in an agile environment with Jira & user stories • Active collaboration with clients — you act as a consultant on an equal footing • Contributing to ongoing projects, including for a well-known OEM and an innovative AI startup • Optional: Mentoring working students or junior developers

Summary: We are looking for technical team members at all levels who want to push themselves to deliver best in market SaaS solutions. We offer a challenging environment where you will have to grow, adapt and use your skills consistently. Our customers rely on us in the moments that matter. Engineering delivers on that promise. The Senior Site Reliability Engineer is responsible for ensuring our SaaS products are fast, stable and optimized for our customers. SRE's at DFIN take on availability, performance, managing change, monitoring, response and are guardians of non-functional requirements. You either have an SaaS infrastructure background with a programmatic, automated mindset or are someone that comes with a software engineering background with SaaS infrastructure experience. The SRE goal is to build automated systems that reduce or eliminate manual work to keep our products up and running and performing optimally. We are looking for someone who thrives on collaboration within the team and across other groups and can operate independently to deliver solutions. Responsibilities: • Champion and implement a culture of SRE to maintain a high-quality platform infrastructure in DFIN SaaS products • Leverage AI tools to enhance system reliability, including intelligent observability, incident prediction and automated remediation across cloud infrastructure • Evaluate and implement emerging AI powered operations and observability solutions to proactively improve system performance, reliability and scalability • Champion and implement application and infrastructure monitoring and alerting to prevent client impacting issues by ensuring system availability, performance and scalability to maintain SLOs and SLAs • Optimize application performance at scale • Automate everything including system operational runbooks • Define and support continuous integration and deployment pipelines (CI/CD) aligned to branching and quality assurance strategies • Dive deep into technology and stay on the forefront of the latest tools, technologies, and strategies; help evaluate, prototype, and integrate them into work processes • Perform with broad independence and deliver on project milestones and tasks on schedule while communicating progress regularly • Build strong relationships with SRE team members and software engineering teams to hold each other accountable for quality expectations • Learn continuously and apply lessons learned • Evangelize best practices, eliminate bottlenecks, and improve process • Participate in on-call duties 365/24/7 and lead the triage and RCA of production incidents Qualifications: • 5+ years experience designing, building, securing, monitoring and maintaining cloud infrastructure in Azure or AWS • Experience applying AI capabilities within CloudOps operations • Relevant certifications or training in AI, Cloud AI services or AIOps platforms are a plus • 5+ years experience writing software in any modern software language such as C# .NET, Java • 5+ years experience creating automated deployments with tools such as Harness, Azure DevOps, Ansible or Jenkins to manage Infrastructure as Code and software build and deployment in a continuous integration (CI) / continuous delivery (CD) environment • 5+ years experience implementing production performance, availability, and scalability monitoring and alerting using a tool such as New Relic, Dynatrace, DataDog or AppDynamics • 5+ years experience writing scripts in PowerShell or Python/Bash to automate system operations as runbooks for Windows or Linux environments. • 5+ years experience supporting public client facing revenue generating systems • Strong DevOps focus and experience building and deploying Infrastructure as Code with Terraform or similar technology • Experiencing monitoring and preventing issues with databases and database queries (SQL, Cosmos) using tools like Solarwinds Database Performance Analyzer, Idera SQL Diagnostic Manager, or Redgate SQL Monitor • Experience planning, coordinating, developing and executing all stages of post deployment verification test scripts • Experience securing Windows or Linux systems in 24x7 production environment • Experience with containerization and managing Kubernetes clusters (AKS or EKS) • Experience with common cloud networking, firewall and load balancing configuration • BS in Computer Science or equivalent work experience