Site Reliability Engineer

Job Description

Job Description

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.

Learn more at:

SUMMARY

The Site Reliability Engineer reports to the Manager, SRE & Platform Engineering, and contributes to the reliability, availability, and performance of Armor’s production infrastructure. This position operates across hybrid cloud environments, including private cloud, public cloud, and virtualization platforms. The role requires the application of independent judgment and discretion in diagnosing infrastructure issues, building automation, and supporting incident response. This is a hands-on engineering role for someone early in their SRE or infrastructure career who learns quickly, automates by instinct, and wants to grow into a senior infrastructure engineer at a security company.

This role operates in a hybrid structure with on-site presence three days a week, specifically Tuesday, Wednesday, and Thursday, based in the Plano, Texas area

ESSENTIAL DUTIES AND RESPONSIBILITIES (Additional duties may be assigned as required)

• Administer and maintain production infrastructure across VMware vSphere, Proxmox, and NSX-T environments under the guidance of senior engineers.
• Support Microsoft Entra ID, on-premises Active Directory, and Office 365 administration, including Exchange Online, SharePoint, Teams, and Intune.
• Assist in managing workloads across VMware, AWS, Azure, and OCI environments.
• Write automation scripts (Python, PowerShell, Bash) to reduce manual operational tasks, improve monitoring, and support self-healing infrastructure.
• Contribute to infrastructure-as-code using Terraform, with a focus on learning modularity and reusable patterns.
• Build and maintain dashboards and alerting using monitoring platforms such as Datadog, Prometheus, Grafana, or Splunk.
• Support disaster recovery operations, including Zerto replication and Rubrik backup infrastructure.
• Participate in incident response, root cause analysis, and blameless postmortems to drive continuous improvement.
• Participate in on-call rotations with mentorship and escalation support from senior team members.
• Assist with vulnerability and patch management processes through automation.
• Collaborate with engineering, product, and security teams on platform stability and production readiness.

REQUIRED SKILLS

• 2–4 years of experience in Site Reliability Engineering (SRE), DevOps, Systems Administration, or Infrastructure Engineering.
• Hands-on experience administering Linux and/or Windows production environments.
• Experience with at least one public cloud platform (AWS, Azure, or GCP).
• Strong troubleshooting skills with a passion for automation and continuous improvement.
• Experience using scripting languages such as Python, PowerShell, or Bash.

• Experience with Kubernetes and containerized workloads.
• Experience with Infrastructure as Code (Terraform, Ansible, or equivalent).
• Familiarity with monitoring and observability tools (Prometheus, Grafana, Datadog, ELK, or equivalent).
• Working knowledge of networking fundamentals, including DNS, firewalls, and load balancing.
• Experience with Git and CI/CD pipelines.
• Familiarity with VMware vSphere, Proxmox, NSX-T, Zerto, Rubrik, Microsoft Entra ID, and Active Directory.
• Familiarity with security and compliance frameworks such as PCI-DSS, HIPAA, and SOC 2.
• Experience using AI-assisted development tools (e.g., Claude Code, GitHub Copilot) and the ability to evaluate AI-generated code and recommendations.
• Understanding of AI/LLM security considerations, including prompt injection, data leakage, and model limitations.
• Strong written and verbal communication skills.
• Bachelor's degree in Computer Science, Information Technology, or equivalent professional experience.
• Demonstrated ability to quickly learn new technologies and adapt to evolving infrastructure and security environments.

WHY ARMOR

Join Armor if you want to be part of a company that is redefining cybersecurity. Here, you will have the opportunity to shape the future, disrupt the status quo, and be a part of a team that celebrates energy, passion, and fresh thinking. We are not looking for someone who simply fills a role – we want talent who will help us write the next chapter of our growth story.

• ARMOR CORE VALUES
• Commitment to Growth: A growth mindset that encourages continuous learning and improvement with adaptability in the face of challenges.
• Integrity Always: Sustain trust through transparency + honesty in all actions and interactions regardless of circumstances.
• Empathy In Action: Active understanding, compassion, and support to the needs of others through genuine connection.
• Immediate Impact: Taking initiative with swift, informed actions to deliver positive outcomes.
• Follow-Through: Dedication to delivering finished results with attention to quality and detail to achieve the desired outcomes.

WORK ENVIRONMENT

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. The noise level in the work environment is usually low to moderate. The work environment can be either in an office setting or remotely from anywhere.

Equal opportunity employer - it is the policy of the company to comply with all employment laws and to afford equal employment opportunity to individuals in all aspects of employment, including in selection for job opportunities, without regard to race, color, religion, sex, national origin, age, disability, genetic information, veteran status, or any other consideration protected by federal, state or local laws.