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Sarnova · 13 hours ago

Sr. Systems Engineer - Digitech - Remote

United States

Full-time

Remote

Senior Level

7+ years exp

Sarnova is a family of companies including Digitech, a leading provider of advanced billing and technology services to the EMS transport industry. They are seeking a seasoned Sr. Systems Engineer to own the reliability, security, and performance of core infrastructure across on-prem and cloud, designing resilient platforms and automating operations at scale.

Health CareHealth DiagnosticsMedical Device

Responsibilities

Design & Architecture: Plan and implement enterprise infrastructure (Windows Server/Linux, virtualization, storage, networking, identity, and cloud services) with a focus on scalability, resiliency, and cost effectiveness

Cloud & Identity: Administer Azure/AWS services (compute, storage, networking, IAM), Azure Active Directory/Entra ID, SSO/MFA, conditional access, and identity governance

Security & Compliance: Harden systems, patch at scale, manage certs/keys/secrets, and ensure adherence to internal standards (e.g., the company password standard). Ensure privileged‑user practices align with policy and audit requirements

Collaboration: Work closely with Security and external partners to remediate findings, tune detections, and prepare for assessments/pen tests. (We regularly coordinate with our vCISO and SOC partners.)

Service Ownership: Own core services (AD/DNS/DHCP, virtualization, file/print, backup/DR, email/M365, endpoint management), including lifecycle, roadmaps, and change management

Networking (with NetOps): Contribute to L2/L3 troubleshooting, VLAN/subnet design, firewalls/NGFW policies, VPN, and zero‑trust segmentation

Business Continuity: Design and test high‑availability and disaster recovery strategies; conduct tabletop exercises; meet RTO/RPO targets

Documentation & Runbooks: Maintain architecture diagrams, SOPs, and recovery playbooks; mentor engineers through code reviews and technical guidance

Qualification

Windows ServerLinuxAzure/AWSVirtualizationAutomationNetworking FundamentalsSecurity ComplianceTroubleshootingIncident ResponseStakeholder CommunicationCertificationsDocumentation

Required

Bachelor's degree in Information Technology, or related field

7-10+ years in systems engineering or infrastructure roles supporting production environments

Expert knowledge of Windows Server (AD, Group Policy, PKI) and solid proficiency with Linux (systemd, SELinux/AppArmor, package management)

Hands‑on with virtualization (VMware vSphere/ESXi or Hyper‑V) and enterprise storage/backup solutions

Proven experience administering Azure/AWS and M365/Exchange Online, including identity, security baselines, and cost governance

Strong automation skills (PowerShell, Bash) and experience with IaC/config‑management tools (Terraform, Ansible, DSC)

Solid understanding of networking fundamentals (TCP/IP, routing/switching, DNS/DHCP, VPN, load balancers, firewalls)

Track record of delivering secure architectures, patch management at scale, and meeting compliance requirements aligned to internal standards and privileged‑user controls

Excellent troubleshooting, incident response, and stakeholder communication skills; ability to lead complex investigations under time pressure