System Administrator (Classified Systems) - Active Secret Clearance Required

Viasat; Carlsbad (CA); On-site; USD 121,000 - 191,000; Full time

Job summary

Viasat is seeking a System Administrator for classified systems to deliver technical support for the Corporate ISSM. The role focuses on SIPRNET administration, system security, and ongoing compliance across stand-alone and networked classified environments.

The candidate should have DoD RMF experience, a Secret clearance, and strong collaboration skills to work with ISSM, DevOps, and government entities while maintaining robust documentation and asset management.

Qualifications

• Bachelor’s degree in Cybersecurity, IT, CS or related field; equivalent work experience considered.

Responsibilities

• Establish and sustain the ATO/ATC for SIPRNet connections per 32 CFR Part 117.18 and DISN CPG.
• Perform configuration management and system maintenance, account management, etc.
• Maintain records of HW/SW revisions and ensure actions are documented.
• Participate in continuous monitoring, analysis, and incident response activities.
• Participate in security audits/assessments to ensure SIPRNet infrastructure meets standards.
• Conduct site CCRI/CORA self-assessments for all SIPRNet sites.
• Ensure systems are operated, maintained, and disposed of per governing guidance and customer directives.
• Provide input to DevOps to enhance operational efficiencies, and minimize security risks.
• Guide or mentor team members to support continuity of operations.

Skills

Windows Server

Linux

Active Directory

RMF

SIPRNet

ACAS/SCAP

DNS/DHCP

Routers/Switches

Virtualization

Scripting/Automation

Education

Bachelor’s degree in Cybersecurity/ IT / CS

Tools

VMware

Hyper-V

OpenShift

NetApp

Veeam

Splunk

Job description

About us

One team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team.

What you’ll do

Keeping our systems, technology, and employees safe is a key priority for Viasat. As a System Administrator for classified systems, you will focus on providing technical support for Viasat’s Corporate Information System Security Manager (ISSM).

This role is responsible for technical administration and compliance of SIPRNET (Secret Internet Protocol Router Network), as well as other classified stand‑alone, LAN, and WAN systems. Our ideal candidate must possess prior experience establishing and maintaining SIPRNet connections. You must also be able to work independently, as well as with a team of Systems Administrators, Information Assurance Analysts, Facility Security Officers, internal customers, and external government entities.

The day-to-day

• Works with the ISSM in establishing and sustaining the ATO and ATC for SIPRNet connections in accordance with 32 CFR Part 117.18, and the Defense Information System Network Connection Process Guide (DISN CPG).
• Perform various configuration management and system maintenance activities, account management, etc.
• Maintains records of HW/SW revisions and ensures all actions are documented as required.
• Participate in continuous monitoring, analysis, and response activities related to information system security and incident events.
• Participate in security audits and assessments to ensure that site SIPRNET infrastructure meets the required security standards and complies with regulations.
• Conduct site CCRI/CORA self‑assessments for all SIPRNet sites within the organization.
• Ensures systems are operated, maintained, and disposed of in accordance with the governing authority guidance and customer directives.
• Provides input to our DevOps team to enhance operational efficiencies, consistent implementation, and minimize security risks.
• Works in areas of proficiency to guide or mentor team members to support team development and continuity of operations.

What you’ll need

• Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related technical field; equivalent work experience will also be considered.
• 6+ years of experience administering and securing Windows Server (WIN 10/11, Win Server 2016/19/22/25); Linux (e.g., Red Hat, Ubuntu); Active Directory; logging and monitoring, file systems, group policy, backup management, TCP/IP, DNS and DHCP in a classified environment.
• Proficient in maintaining and administering core environmental services (e.g., Active Directory/IdAM, GPOs, logging, monitoring, DNS, DHCP).
• 4+ years in a DoD, or other industrial security program and solid understanding of DoD Risk Management Framework (RMF) process.
• 2+ years of experience in managing Routers and Switches (CISCO certifications a plus).
• 2+ years of experience administering virtualization solutions (VMware, Hyper‑V, OpenShift etc.).
• 2+ years of experience maintaining a SIPRNet connected environment; working with ACAS, SCAP, HBSS, Certificate Management, Radius, 802.1x, and troubleshooting with DISA and other government entities.
• Strong attention to detail, skill in critical thinking and research, problem‑solving abilities, and the ability to multitask in fast‑paced environments.
• Strong ability to collaborate with cross‑functional teams, fostering a cohesive and productive work atmosphere.
• Exceptional communication and writing skills with the ability to convey technical details effectively to diverse stakeholders.
• You must be able to lift equipment (up to 40 lbs) and work within controlled environments.
• DoD 8140.01 Certification (CISSP, Security+, etc.).
• Active Secret Security Clearance.

What will help you on the job

• 2+ years of experience in managing Microsoft Exchange Server.
• Experience with Juniper, Palo Alto, and Cisco network administration.
• Experience operating and managing centralized storage platforms (e.g., NetApp) and related backup management services (e.g., Veeam).
• Experience in a classified cloud environment.
• Experience using automation and orchestration tools to manage configurations, push updates, and deploy resources.
• Proficiency in security event monitoring tools like Splunk to evaluate risks and verify mitigation efforts.
• Experience working with vulnerability and compliance scanning tools. (Nessus, SCAP, ACAS).

Salary range

$121,000.00 – $191,000.00 annually. For specific work locations within San Jose, the San Francisco Bay area and New York City metropolitan area, the base pay range for this role is $150,000.00 – $225,000.00 annually.

At Viasat, we consider many factors when it comes to compensation, including the scope of the position as well as your background and experience. Base pay may vary depending on job-related knowledge, skills, and experience. Additional cash or stock incentives may be provided as part of the compensation package, in addition to a range of medical, financial, and/or other benefits, dependent on the position offered. Learn more about Viasat’s comprehensive benefit offerings that are focused on your holistic health and wellness at https://careers.viasat.com/benefits.

EEO Statement

Viasat is proud to be an equal opportunity employer, seeking to create a welcoming and diverse environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, ancestry, physical or mental disability, medical condition, marital status, genetics, age, or veteran status or any other applicable legally protected status or characteristic. If you would like to request an accommodation on the basis of disability for completing this on‑line application, please click here.