user avatar

Senior Systems Administrator (Remote App)

Peraton

Posted today
Top Secret/SCI
$112,000 - $179,000
Unspecified
IT - Hardware
Washington, DC (On-Site/Office)

About Peraton

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees solve the most daunting challenges that our customers face. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Program Overview

About The Role

We are seeking an experienced Senior Systems Administrator - Remote Applications to design, manage, and optimize enterprise remote application and virtual access platforms. The ideal candidate has deep expertise in Microsoft RDS, Citrix, VDI, and application virtualization technologies, with a strong focus on performance, security, and high-availability for distributed workforces.

Key Responsibilities

Remote Application Platform Engineering
  • Design, administer, and support enterprise remote application platforms (RDS, Citrix Virtual Apps and Desktops, VDI, application virtualization).
  • Manage RDS farms, session hosts, brokers, gateways, and licensing servers.
  • Administer Citrix delivery controllers, StoreFront, Workspace, and supporting components.
  • Lead platform upgrades, migrations, and architecture enhancements.

Performance, Scalability & High Availability
  • Optimize performance, resource utilization, and user experience across remote environments.
  • Implement and maintain load balancing, redundancy, and failover strategies.
  • Monitor platform health and proactively address performance bottlenecks.

Security & Access Controls
  • Collaborate with security teams to implement secure remote access controls and baselines.
  • Manage SSL certificates, secure gateway configurations, and encryption settings.
  • Apply Group Policy, hardening standards, and configuration baselines for session hosts.

Troubleshooting & Advanced Support
  • Diagnose and resolve complex session, profile, and application delivery issues.
  • Manage user profiles (roaming profiles, FSLogix, UPM) and application settings.
  • Serve as an escalation point for remote access and virtual application issues.

Operations, Lifecycle & Documentation
  • Support patching, updates, and lifecycle management of remote application platforms.
  • Maintain documentation, runbooks, and operational standards.
  • Coordinate with networking teams on firewall rules, DNS, load balancing, and connectivity requirements.

Qualifications

Required Qualifications
  • Bachelor's degree in information technology or related field, and 8 years of experience. 4 years of additional experience may be substituted in lieu of a degree.
  • 7 years of systems administration experience with a strong focus on remote access technologies.
  • Expert-level experience with Microsoft RDS and/or Citrix Virtual Apps and Desktops.
  • Strong Windows Server and Active Directory experience.
  • Experience with profile management and application virtualization technologies.
  • Familiarity with networking concepts related to remote access (DNS, load balancing, firewalls).
  • Proficiency in scripting and automation (PowerShell).
  • DoD 8140 IAT Level II certification (e.g., Security+).
  • Active TS/SCI clearance.
Preferred Qualifications
  • Experience with Azure Virtual Desktop (AVD) or cloud-hosted VDI solutions.
  • Experience with VMware Horizon or similar platforms.
  • Knowledge of MFA, conditional access, zero trust, and secure remote access models.
  • Relevant certifications (Microsoft, Citrix, VMware)

SCA / Union / Intern Rate or Range

Details

Target Salary Range: $112,000 - $179,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.

Application Duration Statement: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.

EEO:Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
group id: 91005870
N
Name Hidden
job ad image
Find Peraton on Social Media
Network Employers
user avatar
About Us
Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers. Join Peraton and #DoTheCan'tBeDone

Peraton Jobs


Job Category
IT - Hardware
Clearance Level
Top Secret/SCI
Employer
Peraton