Windows Application Engineer

Clearance Level
Systems Engineering
Rockville, Maryland

REQ#: RQ118773

Travel Required: None
Public Trust: NACLC (T3)
Requisition Type: Regular

We are seeking a Windows Application Engineer to join our team to support the National Institute of Allergy and Infectious Diseases (NIAID).

As a Windows Application Engineer, you will work closely with other innovative and savvy people to support and deploy scientific and business applications and expand application hosting capabilities with new tools and technologies. You’ll help automate and streamline our operations and processes, and further the adoption of DevOps best practices. We’ll want your opinion on operational processes, automated deployments, technology and tools, and more.  A focus on always-up, always-available applications is a plus. 

Remote work may be an option for this position.

In this role, a typical day will include the following:

  • Configuring and supporting day-to-day application management tasks, such as troubleshooting issues, deploying changes, installing and configuring new custom and third-party applications, remediating application security vulnerabilities, and optimizing performance settings.
  • Monitoring the health of applications and responding to alerts, such as service down, failed backup, slow response time, or full file systems.
  • Working closely with application owners and software engineers to identify requirements, plan, and implement projects, such as installing new custom applications with web services, database components, data hosting, and load balancing.  
  • Automating day-to-day processes and creating self-service capabilities to empower software developers and application owners to perform routine maintenance tasks such as renewing TLS certificates, changing service account passwords, and rebooting application servers.
  • Researching and recommending innovative approaches for application hosting to modernize our customers hosting environment and speed up time to deliver.
  • Documenting day-to-day administrative processes and configuration information about our customers applications.

After hours and weekend work may occasionally be required for pre-planned maintenance or for troubleshooting service-impacting outages.


  • BA/BS or equivalent and five years related experience
  • Minimum of five years’ hands-on experience deploying, configuring, hardening, and troubleshooting applications using Windows Server 2012 and 2016 or 2019; IIS v7.5, v8.5 and v10; Enterprise SQL Server 2016 and 2017 or 2019; .Net 4.x or .Net Core 2.x and 3.x; for PHP, Java, or JavaScript.

  • Experience managing and configuring Windows applications using F5 BigIP application delivery services, such as load balancing, advanced web application firewalls (AWAF), and access policy manager (APM)

  • Experience developing and implementing continuous integration and continuous deployment (CI/CD) pipelines to deploy infrastructure and applications using tools, such as Jenkins, Azure Devops, or Github Actions

  • Experience creating, applying and troubleshooting TLS or SSL certificates for web servers, such as IIS, Tomcat, Apache, or nginx

  • Experience with access and authentication technologies, such as LDAP, SimpleSAML, or Kerberos

  • Experience designing and implementing technologies following NIST standards, such as SP 800-53, SP 800-190, and SP 500-291

  • Strong scripting experience with Powershell, Python, Bash, Java, or Ruby

  • Experience analyzing solutions components, understanding systems integration challenges, and identifying technology gaps in current components that must be resolved to reach future performance targets and functionality requirements

  • Able to clearly present ideas to both technical and non-technical users and staff to further the adoption of DevOps

  • Ability to get and maintain a Public Trust security clearance level

Preferred Qualifications:

  • Experience with infrastructure as code and automation/configuration management using either Terraform and AWS Cloud Formation or Chef, Puppet, and Ansible to define infrastructure standards and deploy services
  • Experience with commonly used services, such as AWS EC2, S3, Route 53, RDS, and IAM
  • Experience breaking down monolithic applications into microservices and Docker containers
  • Experience installing, maintaining, and troubleshooting applications on MS IIS v7.5, v8.5 and v10
  • Experience managing and configuring content management systems, such as Moodle or Drupal 7.x & 8.x, and data visualization platforms, such as Tableau, or commercial software to support scientific research, such as FreezerPro or REES Centron Presidio


  • Full-flex work week
  • 401K with company match
  • Internal mobility team dedicated to helping you own your career
  • Collaborative teams of highly motivated critical thinkers and innovators
  • Ability to make a real impact on the world around you




About Our Work

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

COVID-19 Vaccination

GDIT does not have a vaccination mandate applicable to all employees. To protect the health and safety of its employees and to comply with customer requirements, however, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.