CrawlJobs Logo

Senior Site Reliability Engineer

United States, Redmond Employment contract 119800.00 - 234700.00 USD / Year · Job Posted May 28, 2026
Apply Position
Job Link Share

Job Description

Are you interested in working on cutting-edge cloud security products Would you like to be part of one of the world's most advanced cyber-security solutions and protect millions of computers from thousands of active attack attempts, every month Look no further than the Microsoft Defender engineering team. We are looking for a Senior Site Reliability Engineer who will be building and delivering cloud solutions to meet the scale that few companies in the industry are required to support. Leveraging state-of-the-art technologies, you will be instrumental in delivering holistic protection within highly sensitive and secure government environments. The Microsoft Defender team is responsible for delivering a constantly evolving set of services and solutions to meet the challenging landscape of our ever-evolving attackers. This is a team which provides on-call operational support and improvements to the operational posture of the Microsoft Defender products within US Government clouds. You will operate our production services, and work closely with other engineering teams to ensure services and systems are highly stable, meet performance SLAs, and meet the expectations of Internal and external customers and users. The Microsoft Defender team is responsible for delivering a constantly evolving set of services and solutions to meet the challenging landscape of our ever-evolving attackers. Microsoft's mission is to empower every person and every organization on the planet to achieve more.

Job Responsibility

  • Ensure 24x7 Service Reliability: Act as a Designated Responsible Individual (DRI) in an on-call rotation, leading incident response and resolution to maintain uptime and performance for Microsoft's most critical services
  • Support and Automate Deployments: Execute and improve manual operations and deployments for our products, while designing automation to scale and streamline those processes across environments
  • Build Scalable Systems: Develop automation for monitoring, alerting, debugging, and deployment to reduce manual effort and accelerate safe, reliable delivery
  • Drive Compliance and Security: Ensure systems meet Microsoft's standards for security, privacy, and accessibility, especially when onboarding new technologies
  • Lead Post-Incident Learning: Conduct postmortems, share insights, and implement solutions that prevent recurrence—fostering a culture of learning and continuous improvement
  • Collaborate Across Teams: Partner with engineering and product teams to align reliability goals with customer needs and deliver seamless user experiences
  • Stay Ahead Technically: Continuously invest in your technical growth to improve system availability, observability, and performance at scale
  • Embody our company's Culture and Values

Requirements

  • Master's Degree in Computer Science, Information Technology, or related field AND 2+ years technical experience in software engineering, network engineering, or systems administration OR Bachelor's Degree in Computer Science, Information Technology, or related field AND 4+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience
  • Candidates must have an active TS and be willing and eligible to upgrade to TS/SCI (with polygraph) or have an active TS/SCI and be willing and eligible to upgrade to TS/SCI (with polygraph). This role will require candidates to maintain the TS/SCI (with polygraph) clearance
  • Ability to meet Microsoft, customer and/or government security screening requirements are required pre-offer and post-hire for this role
  • Failure to maintain or obtain the appropriate clearance and/or customer screening requirements may result in employment action up to and including termination
  • This position requires successful verification of the stated security clearance to meet federal government customer requirements
  • This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter

Nice to have

  • Doctorate Degree in Computer Science, Information Technology, or related field AND 3+ years technical experience in software engineering, network engineering, or systems administration OR Master's Degree in Computer Science, Information Technology, or related field AND 6+ years technical experience in software engineering, network engineering, or systems administration OR Bachelor's Degree in Computer Science, Information Technology, or related field AND 8+ years technical experience in software engineering, network engineering, or systems administration OR equivalent experience
  • 3+ years technical experience working with large-scale cloud or distributed systems
  • Demonstrated experience applying software engineering principles to production systems, including designing, building, or improving services and platforms
  • Proficiency in one or more programming languages such as C#, Go, Java, or Python, with the ability to develop and maintain production-quality code
  • Experience with automation that results in measurable improvements
  • Experience with debugging and troubleshooting complex distributed systems in production environments
  • Ability to independently identify problems and implement solutions that improve system reliability and operational efficiency
  • Hands-on experience with CI/CD pipelines, testing, deployment, and reliability tooling

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Similar Jobs for

Senior Site Reliability Engineer

8 matching positions

New

Senior Site Reliability Engineer

We are looking for an experienced Site Reliability Engineer to join our growing ...
Location
Location
Italy , Milan
Salary
Salary:
50000.00 - 70000.00 EUR / Year
igenius.ai Logo
iGenius
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's or Master's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field
  • At least 6 years of experience as a Site Reliability Engineer or in similar roles
  • Strong experience with observability and monitoring systems such as Prometheus, Thanos, Grafana, and OpenTelemetry
  • Experience with low-level system instrumentation and performance visibility using technologies such as eBPF
  • Experience with security monitoring and threat detection tools such as Zeek, Wazuh, or equivalent SIEM / security observability platforms
  • Strong experience with containerized and cloud-native environments, particularly Kubernetes
  • Strong software development skills, particularly in Python, with the ability to build automation, integrations, and custom tooling
  • Experience integrating heterogeneous infrastructure systems across multiple vendors, APIs, and evolving tool ecosystems
  • Familiarity with modern infrastructure automation and emerging agent-based frameworks such as MCP / A2A (or equivalent technologies)
  • Exposure to digital twin technologies and simulation platforms such as NVIDIA Omniverse or equivalent
Job Responsibility
Job Responsibility
  • Design and implement observability and control mechanisms that extract operational data from infrastructure and feed it into automated systems to enable continuous optimization, including key system budgets such as power, cooling and service level, security-level objectives
  • Actively guard and maintain these operational budgets as part of day-to-day system reliability and performance management
  • Contribute to operational excellence through blameless post-mortem analysis and structured incident learning, ensuring continuous improvement of system behavior and resilience
  • Work closely with Platform Engineering in a shared cybersecurity model, where SRE focuses on detection and monitoring, while Platform Engineering ensures the secure design and operation of the underlying infrastructure
What we offer
What we offer
  • Learning Friday
  • Training budget for books, online courses or other training materials
  • Smart Working (remote work opportunities)
  • Opportunity to receive company equity
  • Stock options
  • Fulltime
Read More
Arrow Right

Senior Site Reliability Engineer

Our client, a leader in the HCM space is in need of a Senior Site Reliability En...
Location
Location
United States , Reston
Salary
Salary:
67.50 - 97.50 USD / Hour
clearbridgetech.com Logo
ClearBridge Technology Group
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience support large scale cloud infrastructure, automation and DevOps preferably in an AWS environment
  • Ability to build, maintain, and consume CI/CD pipelines and tools
  • Proficient w/ Terraform to automate critical infrastructure
  • Experience supporting Kubernetes based platforms to ensure high availability
  • Active TS SCI w/ CI Poly
Job Responsibility
Job Responsibility
  • Ensuring Kubernetes based platform is maintained, healthy, and ensures high availability, scalability and security
  • Automating infrastructure provisioning, configuration management, application deployments using Terraform and Argo CD
  • Handling troubleshooting and documentation associated with the platform
  • Collaborating with multiple cross functional teams
  • Proficient at building, maintaining and consuming CI/CD pipelines
  • Fulltime
Read More
Arrow Right

Senior Site Reliability Engineer

The Senior Site Reliability Engineer establishes and maintains the infrastructur...
Location
Location
United Kingdom; United States; Canada
Salary
Salary:
Not provided
mozilla.org Logo
Mozilla
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 7+ years of experience in infrastructure, platform engineering, or site reliability roles, including hands-on production Kubernetes experience in workload operations, troubleshooting, and cluster management
  • Hands-on experience with infrastructure-as-code on AWS using Terraform, OpenTofu, or Pulumi
  • Security awareness in day-to-day infrastructure work: identity, least privilege, secrets hygiene, and network controls
  • Demonstrated ownership mindset with the ability to proactively identify issues, drive work to completion, and communicate risks early
  • Excellent async written communication skills
  • comfortable working with a geographically distributed team
  • Ability to collaborate effectively with software engineers and non-engineering stakeholders to improve platform reliability and operational efficiency
  • Ability to learn, evaluate, and responsibly use emerging technologies, including AI-enabled tools, to improve work processes
Job Responsibility
Job Responsibility
  • Operate and evolve our EKS-based Kubernetes platform, supporting service migrations, platform improvements, and reliability initiatives
  • Design and develop CI/CD systems supporting websites, services, and Thunderbird desktop releases, contributing to pipeline reliability and OIDC-based authentication across GitHub Actions workflows
  • Write and maintain infrastructure in Pulumi and/or Terraform/OpenTofu across multiple AWS accounts
  • Operate and evolve our observability stack (VictoriaMetrics, VictoriaLogs, Grafana, Vector) and partner with engineering teams to incorporate instrumentation and monitoring into service design
  • Apply security-conscious infrastructure practices, including least-privilege IAM, secrets management via AWS Secrets Manager and External Secrets Operator, and network segmentation
  • Diagnose and debug production incidents
  • drive root-cause analysis and post-incident improvements to prevent recurring problems
  • Participate in on-call rotation and collaborate with SDEs and fellow SREs to ship, maintain, and monitor new builds and support service onboarding
  • Contribute to runbooks, architecture documentation, and team processes
What we offer
What we offer
  • Fully remote work & schedule flexibility
  • Company-provided laptop
  • Annual bonus program
  • Monthly remote work stipend
  • Annual professional development stipend
  • Industry conferences
  • Company all-hands and team gatherings
  • 24 days PTO per year (prorated)
  • Birthday
  • Year-end company shutdown
  • Fulltime
Read More
Arrow Right

Senior Site Reliability Engineer

We are seeking a Senior Site Reliability Engineer with deep expertise in Kuberne...
Location
Location
Denmark , Copenhagen
Salary
Salary:
Not provided
keepit.com Logo
Keepit
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years in a Site Reliability, Platform, or DevOps Engineering role
  • Hands-on Kubernetes experience, including storage (Rook-Ceph or equivalent)
  • Solid Linux fundamentals
  • Proactive mindset
  • Clear communicator
Job Responsibility
Job Responsibility
  • Participate in the daily operation of our existing stack
  • Evolve and take part in designing our next generation infrastructure setup
  • Define and enforce reliability standards, runbooks, and operational best practices across the platform
  • Collaborate with Development and Operations teams to identify and resolve bottlenecks before they become incidents
  • Champion automation
  • if something is done twice, it should be scripted the third time
What we offer
What we offer
  • Competitive salary
  • Pension scheme
  • A modern, energetic global work environment
  • Flexible work-life balance supported by a hybrid working model
  • Regular team-building activities
  • Opportunities for professional development and career advancement
  • Compensation is based on experience and skill set
  • Fulltime
Read More
Arrow Right

Senior Site Reliability Engineer

The Business Operations team is seeking a highly motivated and experienced Senio...
Location
Location
Norway , Oslo
Salary
Salary:
Not provided
mastercard.com Logo
Mastercard
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Observability
  • Programming and Scripting
  • Systems and Network Administration
  • Cloud Computing and Infrastructure
  • Reliability and Scalability
  • DevOps Practices
  • Troubleshooting
  • Capacity Planning and Performance Optimization
  • IT Service Management
  • Proactive Monitoring and Improvement (SRE Applications)
Job Responsibility
Job Responsibility
  • Independently execute key elements of projects/processes within the Site Reliability Engineering area by applying in-depth knowledge of their discipline and area best practices to effectively resolve problems and roadblocks as they occur
  • Assist in evaluating operational requirements and developing technical solutions within existing frameworks
  • Support automation and scripting efforts to improve operational workflows and incident response processes
  • Troubleshoot and resolve routine and some complex system issues, escalating when necessary to maintain system health
  • Contribute to documentation, knowledge sharing, and best practices to enhance team operational procedures
  • Collaborate with development teams and stakeholders to ensure reliability solutions align with technical and business needs
  • Participate in reviews and quality assurance activities to uphold system stability standards
  • May contribute to solution development for new products/services and/or manage smaller project/initiatives as an experienced individual contributor with specialized knowledge within the Site Reliability Engineering area
  • Fulltime
Read More
Arrow Right

Senior Site Reliability Engineer

The Wikimedia Foundation is looking for a Senior Site Reliability Engineer to su...
Location
Location
United States
Salary
Salary:
113082.00 - 175725.00 USD / Year
wikimediafoundation.org Logo
Wikimedia Foundation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 6+ years experience in an SRE/Operations/DevOps role as part of a team
  • Experience with shell and any scripting language used in an SRE context (Python, Go, Bash, Ruby
  • we primarily use Python) and configuration management tools (Puppet, Ansible
  • we use Puppet)
  • Experience with distributed caching systems: including their underlying algorithms and how to optimize their performance
  • Experience with package management on Linux systems (we use Debian)
  • Strong Linux system-level troubleshooting skills
  • History of automating tasks and processes, identifying process gaps, and finding automation opportunities
  • Strong English language skills (verbal and written) and ability to work independently, as an effective part of a globally distributed team working across multiple time zones
  • Experience leading and participating in incident response and post-incident review rituals, with the goal of conducting root cause analysis and implementing preventive measures
Job Responsibility
Job Responsibility
  • Performing day-to-day operational/DevOps tasks on Wikimedia’s public facing infrastructure (deployment, maintenance, configuration, troubleshooting)
  • Implementing and utilizing configuration management and deployment tools (Puppet, Kubernetes)
  • Leading continuous improvement, by automating the installation, configuration and maintenance of services on our platform
  • Working closely with product teams helping them bring scalable functionality to our users by assisting in the architectural design of new services and making them operate at scale
  • Participating in a 24/7 on-call rotation shared across the broader SRE team. This includes taking part in incident response, diagnosis and follow-up on system outages or alerts across Wikimedia’s production infrastructure.
  • Collaborating with a global, cross-functional team in an asynchronous communication environment
  • Mentoring peers in your areas of technical and operational strength
  • Fulltime
Read More
Arrow Right

Senior Site Reliability Engineer

At bsport, the Senior Site Reliability Engineer is a role for someone who doesn’...
Location
Location
Spain; France , Barcelona; Paris
Salary
Salary:
Not provided
pro.bsport.io Logo
Bsport
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 5+ years of experience in SRE, Platform Engineering, Infrastructure or Backend Engineering
  • Strong experience with cloud infrastructure (AWS preferred), Kubernetes and CI/CD
  • Experience building or maintaining high-availability, scalable systems
  • Solid Python experience (bonus points for Django)
  • Experience working with SQL databases, ideally PostgreSQL
  • A proactive mindset: you enjoy taking ownership and solving complex technical challenges
  • Strong communication skills and fluency in English
Job Responsibility
Job Responsibility
  • Scale infrastructure and design resilient systems supporting international growth
  • Improve deployment speed, CI/CD pipelines and developer experience
  • Shape platform architecture through modularisation and scalable deployment strategies
  • Enhance observability, reliability and incident response capabilities
  • Influence engineering practices and collaborate across teams to improve how we build and ship
What we offer
What we offer
  • Competitive salary packages based on your experience and role
  • Hybrid model with 3 days in the office per week
  • Work from anywhere: up to 15 days of remote work from abroad each year
  • Exclusive fitness perks: discounted access to Wellhub for Spain and HelloCSE membership for France
  • Private health insurance and flexible remuneration for Spain
  • Diverse fun loving team: multicultural colleagues, after-work events, team-building & more
  • Fulltime
Read More
Arrow Right

Senior Site Reliability Engineer

Embark on a transformative journey as a Senior Site Reliability Engineer - AVP. ...
Location
Location
United States , Whippany
Salary
Salary:
120000.00 - 175000.00 USD / Year
barclays.co.uk Logo
Barclays
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Considerable programming expertise in languages such as Python, Java, and others
  • Practical experience with Infrastructure as Code (IaC) tools, including Ansible, Chef, and Terraform
  • Validated experience with observability and monitoring platforms such as Observe, Elastic, InfluxDB, and Grafana
  • Solid understanding of containerization technologies and Unix/Linux environments
  • Demonstrates a Site Reliability Engineering (SRE) mindset, with good analytical skills, ownership, and a forward-thinking approach to problem-solving
Job Responsibility
Job Responsibility
  • Build and maintain infrastructure platforms and products that support applications and data systems
  • Ensure the reliability, availability, and scalability of the systems, platforms, and technology
  • Development, delivery, and maintenance of high-quality infrastructure solutions
  • Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages
  • Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention
  • Implementation of a secure configuration and measures to protect infrastructure against cyber-attacks, vulnerabilities, and other security threats
  • Cross-functional collaboration with product managers, architects, and other engineers to define IT Infrastructure requirements
  • Stay informed of industry technology trends and innovations
What we offer
What we offer
  • medical, dental and vision coverage
  • 401(k)
  • life insurance
  • other paid leave for qualifying circumstances
  • Fulltime
Read More
Arrow Right