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Manager, Sre & Platform Engineering

Job in Plano, Collin County, Texas, 75023, USA
Listing for: Armor Defense
Full Time position
Listed on 2026-07-13
Job specializations:
  • IT/Tech
    Systems Engineer, SRE/Site Reliability, Cloud Computing: Infrastructure & Operations, Cybersecurity
Job Description & How to Apply Below
Position: MANAGER, SRE & PLATFORM ENGINEERING

Armor SRE & Platform Engineering Manager

At Armor, we are committed to making a meaningful difference in securing cyberspace. Our vision is to be the trusted protector and de facto standard that cloud-centric customers entrust with their risk. We strive to continuously evolve to be the best partner of choice, breaking norms and tirelessly innovating to stay ahead of evolving cyber threats and reshaping how we deliver customer outcomes.

We are passionate about making a positive impact in the world, and we're looking for a highly skilled and experienced talent to join our dynamic team.

Armor has unique offerings to the market so customers can a) understand their risk b) leverage Armor to co-manage their risk or c) completely outsource their risk to Armor.

Work Location &

Schedule:

  • Plano, Texas:
    Hybrid schedule with mandatory in-office three days on Tuesday, Wednesday, and Thursday.
  • Pune, India:
    Hybrid schedule with mandatory in-office four days on Monday, Tuesday, Wednesday, and Thursday.
Summary

The Manager, SRE & Platform Engineering reports to the Director of Platform Engineering and provides technical leadership for Armor's SRE and infrastructure engineering team. This position is responsible for the operational reliability, availability, and performance of Armor's production infrastructure, including managed security services, enterprise cloud, and MDR platforms. The role exercises independent judgment and discretion in directing incident response, establishing reliability strategy, making infrastructure architecture decisions, and developing engineering talent.

This is a hands-on technical leadership position that combines people management with direct operational accountability.

Essential Duties And Responsibilities
  • Lead, hire, develop, and manage the SRE and infrastructure engineering team, including setting technical direction, conducting performance evaluations, and building engineering capability.
  • Own operational coverage including on-call rotations, incident command, escalation procedures, and blameless postmortem processes to drive continuous improvement and reduce incident recurrence.
  • Drive automation of infrastructure operations across CI/CD pipelines, infrastructure-as-code, self-healing systems, and automated remediation to systematically reduce manual operational burden.
  • Manage and improve infrastructure spanning VMware/Proxmox private cloud, public cloud platforms (AWS, Azure, GCP), and hybrid environments.
  • Own monitoring, alerting, and observability across the production environment, including designing actionable dashboards, meaningful alert thresholds, and operational runbooks.
  • Plan and execute infrastructure migrations, platform transitions, and hardware refresh programs in coordination with the Director of Platform Engineering, ensuring minimal customer disruption.
  • Maintain compliance and audit readiness (PCI-DSS, HIPAA, SOC
    2) as an integrated operational discipline across all infrastructure operations.
  • Define and track SLIs/SLOs that reflect customer impact. Systematically identify and reduce operational toil.
  • Implement AI-assisted operations including automated triage, root cause analysis, predictive alerting, and intelligent escalation to improve mean time to resolution.
  • Coordinate with the Director of Platform Engineering and Product Engineering teams on release readiness, production handoffs, change management, and capacity planning.
Required Skills
  • 8+ years of experience in SRE, Dev Ops, or Infrastructure Engineering in production environments, including 2+ years leading or managing engineering teams.
  • Hands-on production experience with Kubernetes and container orchestration, cloud infrastructure (AWS preferred; Azure or GCP acceptable), Infrastructure as Code (Terraform or equivalent), and CI/CD/Git Ops practices.
  • Strong automation and observability experience using scripting (Python, Bash, or Power Shell) and monitoring platforms such as Datadog, Prometheus, Grafana, or equivalent.
Preferred Skills
  • VMware vSphere, Proxmox, NSX-T, Zerto, and Rubrik (expected to learn within first six months).
  • Advanced networking (DNS, VPNs, firewalls, load balancing).
  • Git proficiency and AI-assisted…
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