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Added 31 mins ago
IT Cloud Engineer, Engineering Platform Automation
Mayo Clinic
Rochester, MN
The IT Cloud Engineer – Engineering Platform Automation is responsible for designing, developing, operating, and continuously evolving Mayo Clinic's Engineering Front Door - a cloud-native…
Added 38 mins ago
C
Technical Systems Engineer II (Full-Time) - United States
Cisco
RTP, NC
- Full-time
As a Technical Systems Engineer, you will maintain the health and performance of our cloud development environments to prevent system downtime. Build automated deployment workflows to…
Added 1 hour ago
SG
Backend Software Engineer, Weather & Aviation
Spire Global
Boulder, CO
- $34,986 USD / year
We're seeking a Senior Backend Software Engineer who has helped production systems scale, harden, and stay reliable as usage and expectations grew. You'll own critical services end to end,…
Added 2 hours ago
Release Train Engineer
Amentum
Springfield, VA
Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet…
Added 2 hours ago
Product Manager, Data Management
Amentum
Merrifield, VA
Assist Chief Architect and Chief Engineer in Roadmap development, defining vision for future years of the program
Added 2 hours ago
MI
Senior Cloud Systems Administrator
Maxar Intelligence I
Westminster, CO
- $109,000 to $167,000 USD / year
Added 2 hours ago
2027 Cloud Solutions Engineer / Site Reliability Grad Intern
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
IR Plume M&S System Engineer
deciBel Research, Inc.
Colorado Springs, CO
Added 2 hours ago
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Sr. Space Based Environmental Monitoring (SBEM) Strategic Architect
The Aerospace Corpor
Colorado Springs, CO
- $151,300 to $226,900 USD / year
…leaders on space architectures, policy and strategy, technology development, warfighter capability enablers, systems integration, defense industrial base, and threat reduction to help shape…
Added 2 hours ago
TA
Space System Architect Engineer
The Aerospace Corpor
Colorado Springs, CO
- $117,300 to $175,900 USD / year
…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
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Flight Dynamics Engineer
The Aerospace Corpor
Colorado Springs, CO
- $132,900 to $249,600 USD / year
Project Leader/Senior Project Engineer to join the EOFDD team. The selected candidate will provide expertise for a wide range of customer flight mechanics needs, supporting both analysis…
Added 2 hours ago
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2027 Trajectory Optimization Engineer
The Aerospace Corpor
Colorado Springs, CO
- $86,600 to $150,400 USD / year
…selected candidate will provide expertise for a wide range of customer flight mechanics needs, supporting analysis, research, and development requests. The work will require candidates to…
Added 2 hours ago
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MEO Missile Warning & Tracking (MWT) SEIT Engineer
The Aerospace Corpor
Colorado Springs, CO
- $117,300 to $175,900 USD / year
…leaders on space architectures, policy and strategy, technology development, warfighter capability enablers, systems integration, defense industrial base, and threat reduction to help shape…
Added 2 hours ago
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MEO Missile Warning & Tracking (MWT) Lead SEIT Engineer
The Aerospace Corpor
Colorado Springs, CO
- $151,300 to $226,900 USD / year
…leaders on space architectures, policy and strategy, technology development, warfighter capability enablers, systems integration, defense industrial base, and threat reduction to help shape…
Added 3 hours ago
Manufacturing Engineer 2 - Unmanned Underwater Vehicles (UUV) 31057
HII
Pocasset, MA
The Manufacturing Engineer II supports the development, documentation, and execution of manufacturing processes for Unmanned Underwater Vehicles (UUVs) in a defense contracting environment.…
Added 3 hours ago
Production Engineer Senior Specialist
Toyota Boshoku America Inc
Hopkinsville, KY
…the manufacturing operation. Responsible for process design, development, optimization, production readiness, coating quality, chemical systems management, equipment improvement, new model…
Added 4 hours ago
Engineering Technician
Veterans Affairs, Veterans Health Administration
Charleston, SC
Added 4 hours ago
Engineering Technician
Veterans Affairs, Veterans Health Administration
Charleston, SC
Added 4 hours ago
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Senior Forward Deployed Engineer
Sinch America Inc.
Denver, CO
- $155,000 to $186,000 USD / year
We are hiring a Forward Deployed Engineer to make those integrations work in the real world. You will embed with customer engineering and operations teams, use modern AI development tools…
Added 5 hours ago
Cloud DevOps Engineer - AWS & Python
U.S. Bank
Earth City, MO
U.S. Bank is seeking a Cloud DevOps Engineer, AWS & Python to join the ISS DevOps / Cloud Enablement Engineering Team. This specialized engineering team partners with application,…
Added 5 hours ago
Solution Engineer
Avalore, LLC
Arlington, VA
The Solution Engineer will lead technical requirement gathering and solutioning for customer use cases. This person will provision tools, resources, and ensure alignment with customer…
Added 5 hours ago
M
Software Engineer - CTJ - Top Secret
Microsoft
VA · Reston, VA · Reston
- $85,400 to $183,700 USD / year
…sensitive and mission‑critical environments? As a Software Engineer in Microsoft’s Specialized Cloud team, you’ll help design, deliver, and secure highly reliable services that underpin…
Added 5 hours ago
M
Principal Software Engineer
Microsoft
United States
- $142,800 to $304,200 USD / year
As a Principal Software Engineer, you will own the technical design of system components, define design patterns that ensure scalability, reliability, and high availability, and help shape…
Added 5 hours ago
M
Critical Environment Technician Manager
Microsoft
NC · Charlotte, NC · Charlotte
- $75,400 to $185,300 USD / year
…As a group, CO+I is focused on the personal and professional development for all employees and offers trainings and growth opportunities including Career Rotation Programs, Diversity &…
Added 5 hours ago
M
Critical Environment Electrical Engineer
Microsoft
TX · San Antonio, TX · San Antonio
- $102,100 to $219,200 USD / year
…our cloud services. As a CO+I Critical Environment Electrical Engineer, you will perform a key role in delivering the core infrastructure and foundational technologies for Microsoft's…

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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