Jobs in the United States

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Added 16 mins ago
UO
Senior/Principal Electrical Engineer - Spacecraft and Instruments
University of Colorado Denver
Boulder, CO
- $34,986 USD / year
…missions from the definition of the science questions through the development of space flight hardware and the subsequent mission operations. We are the only research institute in the world…
Added 23 mins ago
W
(USA) Principal, Software Engineer
Walmart
SUNNYVALE, CA
- $143,000 to $286,000 USD / year
The (USA) Principal, Software Engineer leads the design and delivery of scalable platform capabilities, driving innovation in cloud-native architectures and AI/ML integration. This role…
Added 23 mins ago
W
Principal, Software Engineer - Walmart Data Ventures
Walmart
BELLEVUE, WA
- $132,000 to $264,000 USD / year
The Principal Software Engineer leads platform engineering efforts by delivering scalable, cloud-native solutions and reusable infrastructure components that support long-term technical…
Added 49 mins ago
Air Proprietary Senior Tooling Engineer
The Boeing Company
Berkeley, MO
This role will lead the design, development, installation, and sustainment of complex production tooling, assembly systems, and special processing fixtures. This role provides technical…
Added 1 hour ago
UO
Senior FPGA Development Engineer
University of Colorado Denver
Boulder, CO
- $34,986 USD / year
…spaceflight science instruments and spacecraft. This position is a principal individual-contributor and technical-lead role with responsibility for complex FPGA and adaptive system-on-chip…
Added 1 hour ago
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Regional Construction Manager - Water Resources (NorCal)
BKF
Remote, United States
- $225,000 to $275,000 USD / year
BKF is hiring a Principal Construction Manager to provide leadership, strategic planning, staff development and business development for the construction management group within the greater…
Added 1 hour ago
B
Regional Construction Manager - Water Resources (NorCal)
BKF
Remote, United States
- $225,000 to $275,000 USD / year
BKF is hiring a Principal Construction Manager to provide leadership, strategic planning, staff development and business development for the construction management group within the greater…
Added 1 hour ago
B
Regional Construction Manager - Water Resources (NorCal)
BKF
Remote, United States
- $225,000 to $275,000 USD / year
BKF is hiring a Principal Construction Manager to provide leadership, strategic planning, staff development and business development for the construction management group within the greater…
Added 1 hour ago
B
Regional Construction Manager - Water Resources (NorCal)
BKF
Remote, United States
- $225,000 to $275,000 USD / year
BKF is hiring a Principal Construction Manager to provide leadership, strategic planning, staff development and business development for the construction management group within the greater…
Added 1 hour ago
B
Regional Construction Manager - Water Resources (NorCal)
BKF
Remote, United States
- $225,000 to $275,000 USD / year
BKF is hiring a Principal Construction Manager to provide leadership, strategic planning, staff development and business development for the construction management group within the greater…
Added 1 hour ago
B
Regional Construction Manager - Water Resources (NorCal)
BKF
Remote, United States
- $225,000 to $275,000 USD / year
BKF is hiring a Principal Construction Manager to provide leadership, strategic planning, staff development and business development for the construction management group within the greater…
Added 1 hour ago
Senior Cybersecurity and Space Vehicle Defense Mission Engineer
The Aerospace Corpor
Colorado Springs, CO
…expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span…
Added 2 hours ago
Modeling & Simulation Systems Engineer (3/4) (Principal or Sr. Principal)
CORP-Corporate Office
United States
…qualified, diverse individuals within our Research and Advanced Development (RAD) to support a next-generation campaign effort. This role is located in Rancho Bernardo, CA or El Segundo,…
Added 4 hours ago
SR
LEAD ENGINEER - PRINCIPAL ENGINEER - Laser Development Engineer - Boulder, CO
Southwest Research I
Boulder, CO
- $121,451 to $226,720 USD / year
8+ years: Optics modeling and development for laser systems. Experience with optical design software (ZEMAX or similar).
Added 4 hours ago
M
Principal Software Engineer-M365
Microsoft
WA · CA · Redmond, WA · Mountain View, CA · Redmond · Mountain View
- $142,800 to $304,200 USD / year
We are looking for a Principal Software Engineer who is passionate about security, technical challenges, debugging and, above all, customer success and satisfaction. Deep experience…
Added 4 hours ago
M
Principal Design & Research Head
Microsoft
WA · NY · IL · CA · Redmond, WA · Chicago, IL · Mountain View, CA · Redmond · New York · Chicago · Mountain View
- $142,800 to $304,200 USD / year
We are seeking to hire a Principal Design & Research Head. This role will lead a team of researchers and designers within the Employee Experience space, working closely with Design,…
Added 4 hours ago
M
Principal Software Engineer
Microsoft
United States
- $142,800 to $304,200 USD / year
The Azure Event Grid engineering team is seeking a talented and highly motivated Principal Software Engineer to lead the design and implementation of the next generation of PubSub…
Added 4 hours ago
M
Principal Security Operations Engineering Manager
Microsoft
CA · Sunnyvale, CA · Sunnyvale
- $142,800 to $304,200 USD / year
As a Principal Security Engineering Manager in the Microsoft AI Infrastructure Information Security team, you will build and lead a team of security engineers responsible for product and…
Added 4 hours ago
M
Principal Software Engineering Manager
Microsoft
WA · Redmond, WA · Redmond
- $142,800 to $304,200 USD / year
Drive engineering excellence. Guide the team in building extensible, maintainable, secure, and high-performance software. Establish rigorous design and code reviews, comprehensive test…
Added 6 hours ago
AC
Senior / Staff / Principal Platform Engineer
AppGate Cybersecurity, Inc.
Remote, United States
- $180,000 to $270,000 USD / year
You’ll design, build and maintain the software that integrates AppGate services with the underlying operating system. Your work will span Python application development, systemd and…
Added 7 hours ago
Principal Engineer Software Security Hybrid
Cisco Systems, Inc.
RTP, NC · San Jose, CA · Austin, TX · Chicago, IL
AI Security is the focal point within Software Security for ensuring Cisco's security standards keep pace as AI becomes embedded in everything the company builds. We are the security…
Added 11 hours ago
TG
Research Technician
The General Hospital Corporation
United States
- $21 to $29.01 USD / hour
…cutting-edge techniques for the maintenance, CRISPR-based genetic engineering, and directed differentiation of mouse and human pluripotent stem cells will be provided. The position will…
Added 11 hours ago
Research Postdoctoral Fellow, INSPIRE Lab
The Spaulding Rehabilitation Hospital Corporation
United States
At Spaulding, we aim to apply research results and new ideas to patient care as quickly as possible. As the principal teaching hospital of the Harvard Medical School Department of Physical…
Added 11 hours ago
IG
Principal Engineer, Populus.ai and Elevate Platform
IPS Group Inc.
Remote, United States
- $125,000 to $160,000 USD / year
10+ years of professional software engineering experience, including 3+ years in a principal, staff or lead role owning system architecture.
Added 11 hours ago
H
Warehouse Assistant
Hyland
Auburn, CA
- $57,489 to $61,704 USD / year
Assemble company products to engineering specifications and instructions - inspecting items such as sheet metal, printed circuit board (PCB) assemblies, cable assemblies, and labeling to…

LEIDOS, INC.

Principal Cyber Security Engineer

Linthicum, MD, United States

Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

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Job details

Pay: Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.
Posting language: English
Posted: Nov 4, 2026

Original job description

As a Principal Cyber Security Engineer you will join a small team of security engineers providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE will perform in a consultant like role providing technical knowledge, expertise and advice to our customer.

Primary Responsibilities:

The Principal Cyber Security Engineer shall deliver and lead threat-informed cybersecurity products – cybersecurity risk assessments, architecture reviews, and engineering guidance that bring sound, accurate, timely, and actionable service to mission partners: This includes:

Conduct cybersecurity risk assessments and provide prioritized risk mitigation recommendations in support of the customer’s mission.
Support the design, implementation, and operation of real-time capabilities to discover, detect, analyze, and mitigate threats and vulnerabilities.
Analyze candidate architectures by evaluating against defined security requirements to identify security gaps, and provide recommended mitigation strategy.
Research and evaluate candidate emerging technologies to determine cybersecurity effectiveness.
Aid stakeholders through the development, refinement, delivery, and implementation of innovative solutions and capabilities.
Engage stakeholders to ensure security objectives, protection needs, security requirements and associated validation methods are defined.
Validates and verifies system security requirements definitions and analysis and establishes system security design
Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing and enclave environment to include those with multiple enclaves and with differing data protection/classification requirements
Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of Agency security policy and enterprise solutions
Contributes to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations
Reviews C&A documentation, providing feedback on completeness and compliance of its content

CLEARANCE REQUIRED: Active TS/SCI with polygraph.

Qualifications

Bachelor of Science degree from an accredited university ideally in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 20 years of experience as an Information Systems Security Engineer (ISSE) or System Engineer on programs and/or contracts with the customer space
CISSP - ISSEP - REQUIRED
Strong writing skills
Confidence and ability to present briefing to senior level DoD officials in both prepared briefings and/or in ad hoc discussions.
Expertise in the Risk Management Framework (RMF) and conducting cybersecurity risk assessments
Expertise in network technology and systems security engineering. Experience in identifying, researching, characterizing, and documenting security weaknesses related to operating systems, software applications, firmware, network hardware components, as well as network architecture design to identify protection needs and documented policies and procedures.
Experience developing and documenting system security requirements and conducting requirements gap analysis.
Experience with security monitoring and incident response capabilities
Experience with emerging technologies such as Zero Trust, Cloud Computing, etc.
Knowledge of, and practical experience with the NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500.
Ability to work independently within a schedule and with little direction.

conmd CABARA If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

November 4, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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More about this job

Skills

Cybersecurity
Provide information
Leadership
Security regulations
Research
Building systems monitoring technology
Data protection
Risk management
Documentation
Regulatory compliance
Computer science
CISSP
Firmware
Hardware components
Architectural design
Incident response
Cloud computing
Work independently

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