Sr. Staff/Senior Site Reliability Engineer

SciTec, a wholly owned subsidiary of Firefly Aerospace, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft survivability missions.

Important Notice: SciTec exclusively works on U.S. government contracts that require U.S. citizenship for all employees. SciTec cannot sponsor or assume sponsorship of employee work visas of any type. Further, U.S. citizenship is a requirement to obtain and keep a security clearance. Applicants that do not meet these requirements will not be considered.

We are seeking a Senior Staff / Senior Site Reliability Engineer (SRE) to support the reliability, performance, and operational excellence of mission-critical infrastructure services. This role focuses on Infrastructure as a Service (IaaS) and delivers availability, scalability, observability, and automation across compute, storage, networking, and platform services deployed at customer site(s).

The ideal candidate is a strong systems engineer with an SRE mindset utilizing Cloud Engineering, DevSecOps, System Administration, and Operations to troubleshoot complex infrastructure issues, improve system resilience, and reduce operational toil through automation.

Key Responsibilities

• Support the availability, reliability, and performance of containerized services supporting mission systems
• Monitor infrastructure health using metrics, logs, and alerts; respond to and resolve incidents
• Perform root-cause analysis for infrastructure and service outages; implement corrective and preventative actions
• Improve system reliability through automation, standardization, and proactive engineering
• Support capacity planning, performance analysis, and scaling of infrastructure services
• Maintain and enhance monitoring, logging, and alerting solutions
• Participate in incident response, on-call rotations (as required), and post-incident reviews
• Collaborate with network, systems, platform, and application teams to resolve cross-stack issues
• Support infrastructure lifecycle activities including deployments, upgrades, patches, and configuration changes
• Apply security best practices and support compliance requirements in a regulated environment
• Develop and maintain runbooks, procedures, and operational documentation
• Contribute to CI/CD and Infrastructure-as-Code workflows supporting IaaS services
• Participate in Agile ceremonies and operational planning activities
• Perform other duties as assigned

The following minimum qualifications are required for the position:

• Bachelor's Degree in Computer Science, Engineering or related technical field
• 5+ years of professional experience in systems engineering, SRE, DevOps, or infrastructure operations
• Strong experience administering Linux systems
• Experience supporting on-prem, cloud, or hybrid infrastructure environments
• Hands-on experience with monitoring, logging, and alerting systems
• Strong troubleshooting skills across compute, storage, networking, and OS layers
• Experience scripting or automating tasks using Bash, Python, or similar languages
• Familiarity with Infrastructure as Code (IaC) concepts and tooling, such as Helm, Ansible, and Terraform
• Strong verbal and written communication skills
• Detail-oriented, self-motivated, and able to own issues through resolution
• Ability to obtain and maintain a DoD Top Secret security clearance
• Ability to work on-site at the customer location

Candidates who have any of the following skills will be preferred:

• Advanced degree (e.g., Masters) in Computer Science, Engineering, or Mathematics
• AWS Certified Solution Architect or similar
• Experience working with and implementing Kubernetes, ArgoCD, and GitOps
• Familiarity with Capacity Planning, Disaster Recovery, and Anomaly Detection
• Monitoring performance utilizing tools such as Grafana and Prometheus
• Professional experience with DevOps and CI/CD tooling, including: Docker, Jenkins, GitLab CI/CD
• Experience working in Agile software development environments and using task scheduling and tracking software (e.g., JIRA)
• Active DoD Top Secret security clearance

*Resumes, Cover Letters, and Applications which are generated by AI will not be considered for employment.

SciTec offers a highly competitive salary and benefits package, including:

• 4% Safe Harbor 401(k) match
• 100% company paid HSA Medical insurance, with a choice of 2 buy-up options
• 80% company paid Dental insurance
• 100% company paid Vision insurance
• 100% company paid Life insurance
• 100% company paid Long-term Disability insurance
• Short-term Disability insurance
• Annual Profit-Sharing Plan
• Discretionary Performance Bonus
• Paid Parental Leave
• Generous Paid Time Off, including Holiday, Vacation, and Sick Pay
• Flexible Work Hours

The pay range for this position is $111,000-$152,000. SciTec considers several factors when extending an offer of employment, including but not limited to the role and associated responsibilities, a candidate's work experience, education/training, and key skills. This is not a guarantee of compensation.

SciTec is proud to be an Equal Opportunity employer. Vet/Disabled.