System Administrator, Data Center Systems

Are you experienced in managing Windows with a passion for building and maintaining highly-available systems and services at massive scale?

The Controls Fleet team is responsible for building and supporting some of Amazon's most important infrastructure services. As part of Amazon Web Services (AWS), we support the infrastructure that runs the world's premier e-commerce and cloud computing environments.

We are seeking a passionate and motivated engineer to participate on a team of Windows and Linux Systems Engineers. The ideal candidate would be innovative and have great problem solving and analytical skills. You must be very comfortable and confident working on Windows systems and familiar with fundamental Windows Server patching and administration. You must have very strong knowledge of operating system and networking fundamentals. You understand TCP/IP and other common network protocols. You are proficient with at least one high-level scripting language (PowerShell, Python, Ruby). You should have a bias toward automation and track record of creating automated solutions. You have experience operating distributed systems and diagnosing and resolving complex problems. You pay attention to detail and solve problems at their root.

You will be working in a hyper-growth environment where priorities shift quickly. You must be flexible and adapt well to a wide range of tasks and technologies.

Minimal Travel Required. Must have valid Passport for international travel.

At Amazon, it is expected that your technical knowledge demonstrates both depth and breadth. Leveraging the strengths of individual team members as peers and delegating tasks appropriately within the group for long term projects will all be critical tasks for this role.

This position requires that the candidate selected be a US Citizen and must currently possess an active Top Secret security clearance. The position further requires that, after start, the selected candidate obtain and maintain an active TS/SCI security clearance with polygraph and satisfy other security related requirements.










Key job responsibilities
· Systems Administration and support, including security patching, new system deployment, and account administration
· Peer development of team members
· Networking, including building robust, secure networks with Intrusion Detection
· Metrics and projections
· Advising development staff on application security
· Host and network tools and implementations
· Have a complete understanding of the various system interdependence and limitations
· Identify security issues and risks, and develop mitigation plans
· Architect, design, implement, support, and evaluate secure, infrastructure focused tools and services
· Advise and consult with internal customers on risk assessment, threat modeling and fixing vulnerabilities
· Participate in security compliance efforts
· Participate in projects that develop new intellectual property
· Functionally decompose complex problems into simple, straight-forward solutions
· Understand business context to decisions made within and across groups
· Support critical infrastructure services that process millions of requests every minute
· Participate in 24x7 on call rotation

Basic Qualifications

BS degree or higher in Computer Science, Management Information Systems, Engineering or related field or equivalent work experience
5+ years of experience Unix/Linux operating systems experience
1+ years of Microsoft Windows Server operating systems experience
1+ years of Data Center or other critical environments experience
5+ years of system, network and/or application administration
Current, active US Government Security Clearance at the Top Secret level

Preferred Qualifications

Solid understanding of AWS services
Proficiency in more than one high-level scripting language (Perl, Python, Ruby)
Experience working in mission-critical, operations support environment amongst geographically dispersed teams
Advanced understanding of DNS, DHCP, SSH, HTTP, TCP/IP and other common network protocols
· Experience with common configuration management solutions
· Proven ability to operate effectively in high pressure situations and successfully handle multiple competing priorities
Ability to work on cross-functional teams and diagnose/ solve technical problems
Ability to make concrete progress in the face of ambiguity and imperfect knowledge (can't suffer from “analysis paralysis”)
Experience with vulnerability risk and impact assessment
Experience with web-based applications and/or web services-based applications, especially at massive scale, are very applicable and helpful
Meets/exceeds Amazon’s leadership principles requirements for this role
Meets/exceeds