Sr Windows Systems Admin with AWS

at Leidos
Location Bethesda, MD
Date Posted January 7, 2021
Category Default
Job Type Full-time



Job Description:

The Government Health and Safety Solutions Operation is seeking a Sr Windows Systems Administrator with AWS experience in Bethesda, MD.


Provide Windows systems administration and support for Web Application Servers, designing automation and productivity tools to support the Production environment and maintain 24/7 availability of mission-critical systems

Work with developers to test, deploy, troubleshoot and provide technical assistance with ColdFusion, IIS and .NET based web applications and Microsoft SQL databases

Utilize Ansible and PowerShell to develop scripts/playbooks to address routine OS and application issues  

Support multiple AWS environments, EC2 and AMI creation, security configurations, troubleshooting and configuration management

Perform vulnerability scanning, analyze security scans and conduct vulnerability remediations and Java updates

Participate in the monthly on-call rotation to support the production environment 24/7/365

Baseline & organize technical documentation, such as scripts, performance metrics, etc.

Provide incident response for Windows servers, performing diagnosis, troubleshooting and resolution

Manage software licenses and usage  

Assist in developing and documenting processes and procedures for ongoing management of the Windows server environments


Bachelor’s degree or equivalent work experience (4 additional years of experience required in lieu of degree)

MCSA Certification is a plus

Relevant AWS certification preferred (AWS SysOps Administrator)


10+ years of experience administering Windows Server 2012/2016/2019 and advanced knowledge of Active Directory, Windows Group Policy and related Microsoft technologies

5+ years of supporting Web Application Servers running ColdFusion, IIS or .NET

3+ years of in-depth AWS infrastructure management, and excellent understanding of AWS architecture and best practices

5+ years of experience with VMware virtualization environment

5+ years of experience with IIS, supporting ColdFusion and .NET based applications and SQL Server 

3+ years of experience with automation using Ansible, Puppet, CloudFormation or similar tools. Strong scripting skills with PowerShell required

Demonstrated experience with IBM BigFix for patch management and vulnerability scanning

Must have excellent communications skills

Excellent problem solving and analytical skills with the ability to effectively troubleshoot, resolve, or escalate problems.

Experience in Federal Grants Management is a plus 

Clearance:    Must be able to obtain a Public Trust (US Citizen or US Person)

External Referral Bonus:


Potential for Telework:

Yes, 50%

Clearance Level Required:

Public Trust



Scheduled Weekly Hours:




Requisition Category:


Job Family:

Systems Administration

Pay Range:

Leidos is a Fortune 500 information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company’s 38,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. For more information, visit

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [Click Here to Email Your Resumé].

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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