We are seeking a Senior Infrastructure Engineer to join one of our software businesses within TAG Software Group. Working alongside the Infrastructure Manager, you will design, implement, secure, and support cloud and on-premises infrastructure across multiple products and customer environments. You will play a key role in improving reliability, security, automation, and scalability while supporting mission-critical SaaS applications used by customers worldwide. The successful candidate will be a hands-on engineer with experience in cloud platforms, networking, cybersecurity, automation, and DevOps practices, working closely with engineering, product, support, and customer success teams. **ABOUT TAG SOFTWARE GROUP:** TAG Software Group is a team of experienced investors and operators dedicated to acquiring, enhancing, and growing mission-critical software companies serving SMB, enterprise, and public sector customers. Founded as part of a permanent home for software companies, we don’t buy to sell. Our focus is on long-term partnerships that protect your legacy, employees, and customers. Our in-house team delivers an efficient, transparent, and seller-friendly process, ensuring speed and certainty of close. Once part of TAG, your company gains access to proven best practices, dedicated value-creation resources, and the extended ecosystem of our sister companies, including proprietary in-house technology including and — helping your business reach the next level. **KEY RESPONSIBILITIES:** - Design, implement, and maintain secure, scalable cloud and on-premises infrastructure. - Manage and support infrastructure across multiple software products and customer environments. - Ensure the availability, performance, and reliability of mission-critical SaaS applications. - Implement infrastructure security best practices, including vulnerability management, access controls, and compliance requirements. - Automate infrastructure provisioning, configuration, deployment, and operational tasks using Infrastructure as Code (IaC) and scripting tools. - Monitor infrastructure health, troubleshoot complex technical issues, and perform root cause analysis. - Collaborate with software engineering teams to support CI/CD pipelines and DevOps initiatives. - Optimize cloud infrastructure for performance, scalability, resilience, and cost efficiency. - Design, maintain, and troubleshoot networking components, including firewalls, VPNs, DNS, and load balancing. - Develop and maintain disaster recovery, backup, and business continuity solutions. - Partner with Product, Support, and Customer Success teams to resolve infrastructure-related issues and improve customer experience. - Evaluate, recommend, and implement new infrastructure technologies, tools, and best practices. - Create and maintain technical documentation, operational procedures, and infrastructure standards. - Provide technical leadership and mentorship to team members while contributing to continuous improvement initiatives. - Participate in on-call support and incident response for production environments as required. - Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent experience. - 7+ years of experience in infrastructure, cloud engineering, or DevOps roles. - Strong experience with Azure and/or AWS. - Experience managing Windows Server and Linux environments. - Strong understanding of networking, security, VPNs, firewalls, and DNS. - Experience with Infrastructure as Code (Terraform, Bicep, CloudFormation, or similar). - Experience with Docker, Kubernetes, and CI/CD automation. - Experience supporting production SaaS environments. - Strong troubleshooting, communication, and stakeholder management skills. Preferred Qualifications - Azure or AWS certifications. - Experience with GitLab, GitHub, or Azure DevOps. - Experience with cybersecurity, compliance, and monitoring platforms. - Experience supporting customer-facing software platforms. **WHY JOIN US:** - Join a stable, long-term software group that is built as a permanent home for mission-critical software companies—not a buy-and-sell investment model. - Work on impactful, real-world infrastructure supporting mission-critical SaaS platforms used by customers across SMB, enterprise, and public sectors. - Be part of a hands-on engineering culture where you directly influence cloud, on-premises, security, and DevOps architecture decisions. - Collaborate closely with experienced engineering, product, support, and customer success teams in a highly cross-functional environment. - Gain exposure to multiple software businesses and environments, offering variety, scale, and continuous technical challenge. - Leverage shared best practices, tooling, and value-creation resources across a broader ecosystem of software companies. - Contribute to improving reliability, scalability, security, and automation across diverse and evolving platforms. - Join a group that prioritizes operational excellence, long-term growth, and sustainable engineering improvements over short-term gains. #TagSoftwareGroup