Virtual Applications System Administrator

RTX • Full-time • tewksbury, Massachusetts, United States of America • 4d ago

Date Posted: 2026-06-04Country: United States of AmericaLocation: US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDGPosition Role Type: OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceSecurity Clearance Type: DoD Clearance: SecretSecurity Clearance Status: Active and existing security clearance required on day 1RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA. To realize our full potential, RTX is committed to creating a company where all employees are respected, valued, and supported in the pursuit of their goals. We know companies that embrace diversity in all its forms not only deliver stronger business results, but also become a force for good, fueling stronger business performance and greater opportunity for employees, partners, investors, and communities to succeed. The following position is to join our RTX Corporate, Classified Digital Services. RTX is seeking an experienced Virtual Applications System Administrator to support enterprise‑level virtualized environments and endpoint management solutions for classified and unclassified programs. The ideal candidate will have a strong background in virtualization, cross‑domain technologies, secure application delivery, and large‑scale systems administration. This role requires working within DoD-compliant environments and supporting mission‑critical capabilities for national defense customers. This position can be in Tucson AZ, Tewksbury MA, or Richardson TX. What You Will Do:

Provide administration, sustainment, and operational support for application services, virtualization infrastructure, and virtual desktop infrastructure operating within Classified Digital Services environments.
Install, configure, maintain, patch, secure, and troubleshoot Windows-based application servers, virtual machines, virtual desktops, supporting services, and associated platform components.
Support VDI platforms and virtual application delivery technologies, including virtual desktop pools, persistent and non-persistent desktop images, connection brokers, agent software, user profiles, published applications, and supporting infrastructure.
Troubleshoot complex issues involving application delivery, virtual desktops, virtualization platforms, authentication, storage, networking, user profiles, printing, peripheral access, performance, and security-tool integration.
Work with cybersecurity professionals to support vulnerability remediation, application and operating system patching, DISA STIG compliance, secure configuration baselines, scanning activities, findings resolution, and audit evidence requirements.
Support the integration of application services and VDI platforms with enterprise identity, endpoint-management, monitoring, logging, vulnerability-management, and cybersecurity capabilities.
Use automation and scripting technologies such as PowerShell, Ansible, Python, or comparable tools to improve application deployment, VDI administration, patching, configuration management, compliance validation, and operational sustainment activities.
Identify opportunities to automate repetitive administration tasks, image maintenance, application delivery, health checks, reporting, patch validation, or secure configuration activities.
Participate in testing and implementation of infrastructure changes, application upgrades, desktop-image updates, software deployments, security patches, and platform modernization initiatives.
Assist with monitoring service health, platform capacity, virtual desktop availability, application performance, resource utilization, system events, and operational trends.
Support account administration, privileged access, application permissions, service accounts, group-policy dependencies, and other access-control requirements in accordance with approved security procedures.
Create and maintain standard operating procedures, system administration guides, application support documentation, VDI support procedures, architecture diagrams, automation documentation, test plans, implementation plans, troubleshooting guides, and knowledge articles.
Provide technical support during service disruptions, root-cause investigations, recovery activities, planned maintenance, and mission-critical operational events.
Perform other duties and assignments in support of CDS application, virtualization, endpoint, and cybersecurity operations. Qualifications You Must Have:
Typically requires a University Degree or equivalent experience and minimum 8 years prior relevant experience, or an Advanced Degree in a related field and minimum 5 years experience
Active DoD Secret clearance (interim not accepted).
An active and transferable U.S. government-issued Secret security clearance is required on day one of employment.
Must be able to obtain and maintain a Department of Defense Directive 8140 / 8570-compliant baseline certification, such as CompTIA Security+ CE or an approved equivalent, within 6 months of start date unless already held.

Qualifications We Prefer:

Experience administering Omnissa Horizon or VMware Horizon, including desktop pools, connection servers, agents, golden images, instant clones, application delivery, or user-profile solutions.
Experience administering VMware virtualization platforms, including vCenter, ESXi hosts, virtual machines, templates, snapshots, clusters, resource allocation, and troubleshooting.
Experience supporting non-persistent VDI environments and maintaining standardized desktop images, application layers, user-profile technologies, or secure configuration baselines.
Experience supporting application packaging, deployment, lifecycle management, middleware, web services, database dependencies, licensing services, or application-hosting platforms. What We Offer: Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care. Relocation is offered for this role. Learn More & Apply Now! Work Location: Onsite, this position can be in Tucson AZ, Tewksbury MA, or Richardson TX Please consider the following role type definition as you apply for this role: Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms