ECS is seeking a Senior System Engineer to work in our Fairfax, VA office. Job Description: ECS is seeking a Senior Systems Engineer to work as a member of a team managing and maintaining multiple network enclaves supporting the US Government. The candidate will provide support to a team developing, maintaining, creating, documenting, and installing network and enclave infrastructure for a broad range of data sets, research objectives, applications, and programming requirements. This is a demanding, high-energy position requiring innovative solutions to network, hardware, and software development and maintenance. The candidate will perform software installations and upgrades to operating systems and layered software packages. The candidate will schedule installations and upgrades as well as maintain them in accordance with established IT policies and procedures, to include monitoring and tuning the system to achieve optimum performance levels. The candidate will have experience with data storage, standards, and structuring of large databases, specializing in database physical structure and functional capabilities, efficiency, security, back-up, and recovery specifications. The candidate will also manage server access for multiple, simultaneous, external vendors ie, Government, academia, and industry. The candidate must have strong problem-solving skills. This candidate will be customer facing and must be comfortable with leading teams and reporting/briefing status to leadership. The candidate must have or be able to obtain a security clearance (TS/SCI) in order to support this position. The job is located in Fairfax VA, with frequent local trips to Ashburn, VA and other locations in the National Capital Region. Periodic short-term travel (less than 10%) domestically may be required. Required Skills: Must be a US citizen. Must be able to obtain a TS/SCI clearance. Current DoD 8750 IAT Level 1 certification. 10+ years' experience Demonstrated experience working with and deploying solutions in production use customer Windows and Linux environments. Demonstrated experience troubleshooting complex network environments. Demonstrated experience troubleshooting Windows and Linux. Demonstrated experience leading teams and reporting/briefing status to leadership in person and via virtual meetings. Ability to understand technologies quickly and document recommendations for government approval. Demonstrated working understanding of Defense Information Systems Agency (DISA) STIG requirements. Ability to write/edit and execute technical documents including, but not limited to: Standard Operating Procedures (SOP), CONOPS, and other documents as required. The successful candidate will possess excellent communication skills and be customer-service and career/growth-oriented. Ability to quickly grasp and implement new technologies. A self-motivated, self-starter that enthusiastically embraces pushing imaginative solutions to hard operational problems. Desired Skills: 7 years or more of experience architecting enterprise solutions. AWS, Microsoft Azure - Collaborate with Cloud Service Providers to design, implement, and maintain cutting edge customer solutions. Web server administration (IIS, Apache, NGINX, etc.) experience. Storage technologies and procedures/concepts) experience. Patch management solutions experience. System orchestration (Chef, Puppet, Ansible, etc.) experience. ECS is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state, or local law. ECS promotes affirmative action for minorities, women, disabled persons, and veterans. ECS is a leading mid-sized provider of technology services to the United States Federal Government. We are focused on people, values and purpose. Every day, our 3000+ employees focus on providing their technical talent to support the Federal Agencies and Departments of the US Government to serve, protect and defend the American People.