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Sentinel Jobs in California (NOW HIRING)

Required : • Hands-on experience with Microsoft Security solutions, including Microsoft Defender, Sentinel, and Entra ID Protection. • Expertise in SIEM technologies (e.g., Microsoft Sentinel ...

IT System Security Engineer

Irvine, CA · On-site

$110K - $130K/yr

Implement and optimize Microsoft Security tools, including but not limited to Microsoft Defender for Endpoint, Defender for Office 365, Sentinel, Microsoft Purview, and Entra ID Protection. * Manage ...

IT System Security Engineer

Irvine, CA · On-site

$110K - $130K/yr

Implement and optimize Microsoft Security tools, including but not limited to Microsoft Defender for Endpoint, Defender for Office 365, Sentinel, Microsoft Purview, and Entra ID Protection. * Manage ...

Los Angeles, CA (Hybrid) · Implement and optimize Microsoft Security tools, including but not limited to Microsoft Defender for Endpoint, Defender for Office 365, Sentinel, Microsoft Purview, and ...

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How much do sentinel jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for sentinel in California is $29.65, according to ZipRecruiter salary data. Most workers in this role earn between $29.66 and $29.66 per hour, depending on experience, location, and employer.

What is a sentinel?

Sentinels are individuals or systems tasked with monitoring, observing, and protecting a particular area, system, or process. In the context of security, a Sentinel may refer to a security guard, surveillance operator, or an automated system designed to detect and respond to threats. Their primary responsibilities often include monitoring for suspicious activities, ensuring safety protocols are followed, and reporting or responding to incidents. The specific duties can vary depending on the industry, such as physical security, information technology, or even roles in video games. Sentinels play a critical role in maintaining the safety and integrity of their assigned environments.

What are the primary responsibilities of a sentinel in an organizational security team, and how do they typically collaborate with other security professionals?

As a Sentinel within an organizational security team, your main duties often include monitoring surveillance systems, conducting regular patrols, and responding promptly to security incidents. You will work closely with other security personnel such as security analysts, guards, and response teams to coordinate efforts and share critical information. Collaboration is essential, especially during emergency situations or when investigating security breaches, ensuring the safety and integrity of the premises. Effective communication skills and the ability to remain calm under pressure are key to thriving in this collaborative environment.

What are the key skills and qualifications needed to thrive as a sentinel, and why are they important?

To thrive as a Sentinel, you need strong observational abilities, physical fitness, and a solid understanding of security protocols, typically supported by a background in security or law enforcement. Familiarity with surveillance equipment, access control systems, and incident reporting tools is often required. Attention to detail, integrity, and effective communication are critical soft skills for this role. These competencies ensure the safety and security of people and property by enabling prompt response to threats and effective coordination with team members.
What cities in California are hiring for Sentinel jobs? Cities in California with the most Sentinel job openings:
Infographic showing various Sentinel job openings in California as of August 2026, with employment types broken down into 96% Full Time, and 4% Part Time. Highlights an 100% In-person job distribution, with an average salary of $61,681 per year, or $29.7 per hour.

Sentinel - Systems/Principal Systems Engineer - 17072*

Northrop Grumman Corporation

Manhattan Beach, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 27 days ago


Northrop Grumman rating

8.2

Company rating: 8.2 out of 10

Based on 362 frontline employees who took The Breakroom Quiz

88th of 538 rated manufacturers


Job description

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world's biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.

Northrop Grumman Defense Systems currently has an opening for a Systems Engineer or Principal Systems Engineer. This position will be in Roy, UT, Bellevue, NE, Colorado Springs, CO, Huntsville, AL or Manhattan Beach, CA and will support the Sentinel (GBSD) program. Northrop Grumman supports the Air Force's sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure.

What you will get to do:

The selected engineer will be responsible for:

  • Model-Based Systems Engineering (MBSE), development of requirements and multiple system engineering models
  • Coordination & collaboration with the System Engineering and Command & Launch Segment System Engineering Teams
  • Supporting system, segment, element and unit level trade studies
  • Definition of high-level functional and performance requirements and verification methods, subsequent analysis, decomposition, and derivation of requirements, allocation of those lower-level requirements to physical and functional architectural elements, and tracking them through design, verification, integration, and operational validation
  • Supporting a team of engineers to create, mature and present comprehensive and cohesive technical charts representative of the appropriate level of maturation for any given milestone meeting and demonstrating team readiness in relation to achieving the milestone entrance and exit criteria
  • Identifying required contractual deliverables and non-contractual documentation and driving corresponding updates to closure
  • Coordinating and collaborating with diverse engineering design teams to assist in managing the technical baseline

This position may be filled at level 2 or level 3 depending upon the qualifications of the applicant.

Basic Qualifications:

Systems Engineer (level 2):

  • Bachelor of Science degree in STEM (Science, Technology, Engineering and Math) discipline and 2 years of experience; 0 years with master's degree.
  • Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years
  • Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs
  • 1+ year of experience developing or reviewing requirements within DOORS or similar tool
  • 1+ year of experience in ICBM (MMIII or Sentinel) OR complex aerospace/defense systems

Principal Systems Engineer (level 3):

  • Bachelor's degree in STEM with 5 years' experience; 3 years' experience with a Masters' degree in STEM; or 1 years' experience with a PhD.
  • Must be a US Citizenwith an active DoD Secret Clearance with an investigation date within the last 6 years.
  • Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs
  • 2 years of experience developing or reviewing requirements within DOORS or similar tool
  • 2 years of experience in ICBM (MMIII or Sentinel) OR complex aerospace/defense systems

Preferred Qualifications:

  • Understanding of the Systems Engineering V-Model
  • Experience with requirements management tools such as DOORS
  • Experience in SysML or UPDM modeling languages
  • Proficiency with the DoDAF, UAF, or other modeling frameworks
  • Experience modeling with Cameo Enterprise Architecture, MagicDraw (No Magic, Inc.) or other architecture modeling tools
  • Experience using tools to model large systems with multiple developers
  • Experience in Software and/or Hardware design
  • Experience in documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents
  • Experience in the military aerospace development environment
  • Experience with weapon systems
  • Experience exporting documentation out of a model-based environment
  • Experience with Agile Development
  • Experience with ICBM weapon system sustainment engineering and integration
  • Experience with complex system development on large programs

Position Benefits:

As a full-time employee of Northrop Grumman, you are eligible for our robust benefits package including:

  • Medical, Dental & Vision coverage
  • 401k
  • Educational Assistance
  • Life Insurance
  • Employee Assistance Programs & Work/Life Solutions
  • Paid Time Off
  • Health & Wellness Resources
  • Employee Discounts

This position's standard work schedule is 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off.

#SentinelSystems

Primary Level Salary Range: $79,300.00 - $131,400.00Secondary Level Salary Range: $98,400.00 - $163,200.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939