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Added 1 min ago
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Infrastructure Server Engineer (Top Secret)
Apex Technology, Inc.
Los Angeles, CA
- $150,000 to $250,000 USD / year
The IT Engineer (Infrastructure Server Engineer) is responsible for the design, implementation, administration, and optimization of Apex’s technology infrastructure. This role encompasses…
Added 1 min ago
AT
IT Engineer (Active Top Secret)
Apex Technology, Inc.
Los Angeles, CA
- $150,000 to $250,000 USD / year
The IT Engineer is responsible for the design, implementation, administration, and optimization of Apex’s technology infrastructure. This role encompasses systems engineering, network…
Added 21 mins ago
Advanced Manufacturing Engineer, RSO 14.19
Credence
WPAFB, OH
…solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. With more than 1,700+ team members, 1,500+ AI & data…
Added 21 mins ago
C
AWS Databricks Engineer
Credence
McLean, VA
- $155,000 to $185,000 USD / year
…solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. With 1,700+ team members, 1,500+ AI/data experts, and…
Added 53 mins ago
Engineer IV - Svcs RF
Ericsson
WA
Ericsson is looking for an experienced RF Engineer to join the MACS team in the USA. In this role, you will serve as a subject matter expert in RF optimization, lead engineering teams…
Added 1 hour ago
Sentinel - Systems Engineer (20086)
Northrop Grumman
Roy
Northrop Grumman Defense Systems is seeking a Systems Engineer to join our team. This position will be located at Roy, UT to support the Sentinel (GBSD) program in the Strategic Deterrent…
Added 1 hour ago
Senior Electrical Engineer
CP Engineers
Remote, United States
The Senior Electrical Engineer will review, sign, and seal electrical drawings and will also contribute hands on design support as required. Project work may include electrical and control…
Added 1 hour ago
Group Manager, Water Resources Engineering
CP Engineers
Remote, United States
Apply today and help shape the future of wastewater infrastructure with CP Engineers!
Added 1 hour ago
Senior Electrical Engineer
CP Engineers
Remote, United States
The Senior Electrical Engineer will review, sign, and seal electrical drawings and will also contribute hands on design support as required. Project work may include electrical and control…
Added 1 hour ago
Senior Electrical Engineer
CP Engineers
Remote, United States
The Senior Electrical Engineer will review, sign, and seal electrical drawings and will also contribute hands on design support as required. Project work may include electrical and control…
Added 1 hour ago
Group Manager, Water Resources Engineering
CP Engineers
Remote, United States
Apply today and help shape the future of wastewater infrastructure with CP Engineers!
Added 1 hour ago
Software Engineer II
Domino's
Ann Arbor, MI
A Software Engineer II is proficient with the most-often used features of the programming language, its core library, commonly used 3rd party libraries, and commonly used code management…
Added 1 hour ago
Principal Software Engineer (Prisma Access)
Palo Alto Networks, Inc.
CA
As a Principal Software Engineer for Prisma Access, you will lead the architecture, systems design, and performance optimization of cloud infrastructure underpinning Palo Alto Networks'…
Added 1 hour ago
SSD Mfg NPI Product Engineer, Nitro SSD
Amazon Data Services, Inc.
Seattle, WA · Cupertino, CA
…investigating any early-life product failures. This role requires the engineer to be a technical contact and take on full ownership of the manufacturing launch and resolution of process…
Added 2 hours ago
Senior Payments Infrastructure Engineer - Crypto, Wallets & Blockchain
Travoom
Remote, United States
We are seeking a hands-on Senior Payments Infrastructure Engineer to take ownership of an existing payments backend and complete its integration, testing, and production deployment.
Added 2 hours ago
Software Engineer II - Building Applications
Pacific Northwest National Laboratory
Jefferson City, MO
…reliable, affordable, secure, and resilient electricity delivery infrastructure; research, development, validation, and effective utilization of renewable energy and efficiency technologies…
Added 2 hours ago
S
Senior Full Stack Ruby on Rails Engineer
SmartFinancial
Remote, United States
- $150,000 to $170,000 USD / year
We’re seeking an experienced Senior Full Stack Ruby on Rails Engineer to help build, evolve, and scale the core systems that power our agent-facing, carrier-facing, and internal…
Added 2 hours ago
Mojo Libraries Engineer (Copy)
Modular
Remote, United States
, we’re on a mission to revolutionize AI infrastructure by systematically rebuilding the AI software stack from the ground up. Our team, made up of industry leaders and experts, is building…
Added 2 hours ago
BA
Site Reliability Engineer
Booz Allen Hamilton
Aurora, CO
- $62,000 to $141,000 USD / year
on our team, you'll help the Intelligence Community develop more robust systems by building a resilient infrastructure. You'll build in redundancy, implement monitoring tools, and automate…
Added 2 hours ago
Principal Systems Engineer
2HB Incorporated
Annapolis Junction, MD
2HB Incorporated is seeking a Principal Systems Engineer in order to support its government customer in Annapolis Junction, MD.
Added 2 hours ago
Test Engineer
2HB Incorporated
Annapolis Junction, MD
2HB Incorporated is seeking a Test Engineer to support its government customer in Annapolis Junction, MD. The Test Engineer shall be responsible for planning, developing, executing, and…
Added 2 hours ago
LN
Senior Project Manager
Luster National
Sacramento, CA
- $140,000 to $200,000 USD / year
We’re seeking Senior Project Managers to support large, complex heavy civil infrastructure programs, including highways, roads, bridges and transit (bus and rail), delivered through both…
Added 2 hours ago
LN
Senior Project Engineer
Luster National
Sacramento, CA
- $120,000 to $200,000 USD / year
We’re seeking Senior Project Engineers to support large, complex heavy civil infrastructure programs, including highways, roads, bridges, and transit (bus and rail), delivered through both…
Added 2 hours ago
LN
Railroad/Roadway bridge and Guideway Inspector
Luster National
Fresno, CA
- $120,000 to $200,000 USD / year
We’re seeking an experienced Railroad/Roadway Bridge and Guideway Engineer to support large, heavy-civil infrastructure programs, including highways, roads, bridges, transit (both rail and…
Added 3 hours ago
Software Engineer, Runtime Infrastructure
Nominal
NY
…theirs, and on disconnected networks for defense programs. An engineer might be watching a vehicle in real time or working through terabytes of post-test data. Either way, every layer…

Closed listing

Mavensoft Technologies, LLC.

Sr. Cyber Systems Engineer – MBSE, Aerospace and Defense

San Antonio, TX, United States

This opening has closed.

The original listing is kept below for reference.

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Job details

Posting language: English
Posted: Oct 28, 2026

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Original job description

Archived listing. The details below describe a past opening.

Role: Sr. Cyber Systems Engineer – MBSE, Aerospace and Defense

Duration: 12 Months (Contract)

Location: San Antonio, TX (On-Site)

Work authorization: US Citizen; must hold current/active Secret clearance and must have the ability to obtain/maintain a Top-Secret clearance

Key Skills: Model-Based Systems Engineering (MBSE), Systems Modeling Language (SysML), Requirements management: (Cameo / MagicDraw, DOORS, JIRA), DoD Cybersecurity Standards (CNSSI 1253, DoD 8570/8140, DoD 8510, and AFI 17-101), Risk Management Framework (RMF) - NIST SP 800-37

Position Summary:

The Cyber Systems Engineer III will join a dynamic engineering team.
This role involves serving as a Model-Based Systems Engineer (MBSE) on a team dedicated to the development of a new solution operating in a multi-level security environment.
The position requires expertise in cyber, systems engineering, and MBSE. MBSE is key for this position.

Responsibilities:

Work within the Systems Engineering Group to provide technical decisions and guidance to enable timely, high-quality product deliveries and flight test events that meet mission Cyber requirements.
Partner and collaborate with other program systems engineers across Integrated Product Teams to accomplish program cyber requirements and meet mission objectives.
As a member of a team of specialized cyber systems engineers, support the development and enhancement of Launch and Missile Defense systems.
Ensure weapon system compliance with all contractually obligated cybersecurity standards and guidance, including but not limited to CNSSI 1253, DoD 8570, DoD 8510, and AFI 17-101.
Propose and design cyber systems architecture changes with traceability to requirements.
Provide cyber implementation guidance and oversight across technical teams.
Develop and document technical standard engineering processes and procedures as needed.
Participate in engineering reviews of technical requirements, design and implementation plans prior to development of computer systems, digital communications systems, networking devices, computer architectures.
Perform cyber-attack surface analysis of system designs with recommendations to mitigate and reduce risk.
Participate in cybersecurity assessment activities and review cybersecurity assessment methods, plans, procedures, reports and security penetration test planning and execution.
Provide input to program milestones and metrics, adhering to cybersecurity-relevant plans and schedules.
Identify problems and research technical solutions to resolve these problems.
Apply analytical and evaluative methods and techniques to issues or studies concerning the efficiency and effectiveness of Cyber Security implementation.
Solve complex problems across disciplines in an Agile, DevSecOps environment.
Support program engineering review boards.

Required Qualifications:

Bachelor’s degree with 5 years;
OR a Master’s degree with 3 years;
OR a PhD with 1 year of experience in: Systems Engineering, Cybersecurity Engineering, Computer Engineering, Computer Science, or 9 years’ experience in a cyber systems engineering related fields in lieu of a degree
U.S. Citizenship is required.
A current active Secret clearance is required to be considered.
The ability to obtain and maintain a Top-Secret clearance.
Able to obtain, within six months of hire, an IASAE II certification (CISSP preferred) in accordance with DoDI 8570/8140.
Comprehension of systems engineering principles, theories and concepts.
Experience applying Model Based Systems Engineering to develop and model requirements.
Experience managing requirements or systems engineering artifacts using tools such as DOORS, Cameo, or JIRA.
Direct experience in one or more of the following Systems Engineering activities: system requirements decomposition/derivation/flow down/traceability, architecture, high-level/detail design, implementation, integration and test, and/or verification & validation.

Preferred Qualifications:

Demonstrated experience developing system architectures for complex aerospace vehicles or subsystems using MBSE (SysML).
OMG SysML Model User Certification.
IASAE level III certified (ISSEP, ISSAP) in accordance with DoDI 8570/8140
Top Secret/SCI Security Clearance with additional preference for SAP briefing.
Direct experience supporting the development of RMF assessment authorization artifacts development to satisfy NIST SP 800-37 requirements
Knowledge of Cyber Security systems engineering practices, network technologies, DoD system development life cycles and methodologies, and insight into information technology infrastructure management/monitoring and applications.
Experience innovating in Cybersecurity Accreditation processes and procedures in a multi-certification (Cyber, Nuclear Surety, etc.) context as part of a Digital Engineering Environment.
Experience in a Systems Engineering role with responsibilities in the planning, designing, implementation, testing, and delivery of a system with Cyber/Information Assurance requirements.
Experience managing and directing efforts following an Agile and DevSecOps process model.
Ability to calmly negotiate challenging program requirements, strategies, and conflicting constraints among a large and diverse group of program stakeholders.

Please apply to usjobs@mavensoft.com!

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More about this job

Skills

Microsoft Teams
Regulatory compliance
Cybersecurity
Engineering processes
Research
Computer engineering
Computer science
CISSP
Engineering principles
Atlassian JIRA
SAP
Computer technology
Agile

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