Referso Jobs

Principal System Administrator

RTX · Posted Nov 12, 2026

Open

Tewksbury, Massachusetts, United States
On-site
Full-time · Manager
$87K–$165K per year
5+ years

Principal System Administrator

RTX · Posted Nov 12, 2026

Open

Tewksbury, Massachusetts, United States
On-site
Full-time · Manager
$87K–$165K per year
5+ years

Principal Systems Administrator – Avionics

Northrop Grumman · Posted Nov 11, 2026

Open

Rancho Bernardo, California, United States +1 more
On-site
Full-time · Principal
$104K–$155K per year
3–9 years

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Support the Avionics team by maintaining smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management. Responsible for performing as a Windows\VMware and Linux\Redhat System Administrator for a classified government contract.

Locations (2)

Rancho Bernardo, California, United States
Sigonella, Sicily, Italy

Compensation

Primary Level Salary Range: $103,600.00 - $155,400.00

Responsibilities

Perform as a Windows\VMware System Administrator for a classified government contract
Perform as a Linux\Redhat System Administrator for a classified government contract
Maintain smooth operation of multi-user computer systems
Analyze internal and external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems
Review recommendations and system enhancements that will improve the performance and reliability of the system including installing, upgrading/patching, monitoring, problem resolution, and configuration management

Senior Systems Administrator

RTX · Posted Nov 11, 2026

Open

Tewksbury, Massachusetts, United States
On-site
Senior
$69K–$131K per year
2+ years

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Support Raytheon Collateral Programs as a Senior System Administrator, based in Tewksbury, MA.

Compensation

The salary range for this role is 68,900 USD - 131,100 USD.

Responsibilities

Support Raytheon Collateral Programs as a Senior System Administrator
Work in a fast-paced technological environment
Use troubleshooting techniques to resolve technical problems of moderate to high scope and complexity
Integrate hardware and operating systems
Work with Cybersecurity professionals to maintain security requirements

Requirements

University degree or equivalent experience
Advanced Degree in a related field
Nice to have: CompTIA Security+ CE or equivalent certification
Nice to have: DoDD 8140 / 8570 Certification

Skills

VMWare vCenter vSphere ESX virtual computing methods Active Directory VMware administration

Lab Lead

RTX · Posted Nov 10, 2026

Open

White Sands, New Mexico, United States
On-site
Full-time
$69K–$131K per year
2+ years

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Senior Analyst Support Engineer/Lab Lead to support the Mission Capability Verification Center at White Sands Missile Range, managing lab operations, safety, security, and compliance.

Compensation

The salary range for this role is 68,900 USD - 131,100 USD.

Responsibilities

Manage Lab Operating Procedures (LOPs) by providing direction for lab users on established policies.
Manage, coordinate, and implement Environmental Health, Safety, and Sustainment programs.
Oversee Property & Metrology Management to ensure compliance with standards and regulations.
Conduct cost analyses and ensure task completion within approved budgets.
Provide process support to Supply Chain Management (SCM).

Requirements

University Degree
Nice to have: Experience working directly with engineers, technicians and leadership in an engineering lab environment in the areas of safety, security, compliance and property management

Skills

Microsoft Office OSHA NFPA EHS NISPOM

Principal Computer Systems Analyst

Northrop Grumman · Posted Nov 10, 2026

Open

Baltimore, Maryland, United States
On-site
Full-time · Principal
$99K–$148K per year
7+ years

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Lead analyst supporting classified government contracts, managing system lifecycle, security compliance, and technical documentation.

Compensation

Primary Level Salary Range: $98,900.00 - $148,300.00

Responsibilities

Support classified government contracts
Maintain Windows administration tasks
Coordinate with system engineers and IT/Cyber management
Recommend hardware/software purchases
Ensure system compliance via Group Policy

Requirements

Associate’s degree
Bachelor’s degree
Master’s degree
PhD
Nice to have: Windows Server Administration

Skills

Windows domains Active Directory Group Policy Objects Security+ CE certification Windows Server Administration DNS DHCP

Specialist, Industrial Security

L3HHCM20 · Posted Nov 9, 2026

Open

Palm Bay, Florida, United States
On-site
Full-time · Senior
4+ years

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Senior Industrial Security Specialist responsible for developing, strategizing, and managing internal security program policies and procedures in accordance with DoD security policies.

Responsibilities

Support and execution of all facility security functions including SCIF operations, personnel security, program support, physical security, information security, document control, badging and access control
Implement national security directives with emphasis on NISPOM, ICDs, and JAFAN requirements
Manage large, complex project initiatives with minimal oversight
Generate monthly program review charts and briefing material
Perform security pre-screening of employees, subcontractors, and consultants

Requirements

Bachelor’s Degree
Associate’s Degree
Graduate Degree
Nice to have: CDSE FSO Program Management
Nice to have: ITP planning

Skills

Industrial Security NISPOM ICD JAFAN SIMS JPAS

Principal System Administrator

Principal System Administrator

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Principal Systems Administrator – Avionics

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Senior Systems Administrator

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Lab Lead

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Principal Computer Systems Analyst

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Specialist, Industrial Security

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JAFAN jobs

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