Senior Cybersecurity Engineer Job at MAINSAIL Group (Hanscom AFB, Bedford, MA)

Senior Infrastructure and Cybersecurity Engineer

We have a fantastic opportunity for an experienced Senior Infrastructure and Cyb...

Location

United Kingdom , Droitwich Spa

Salary:

Not provided

AKW

Expiration Date

January 28, 2026

Requirements

Experience as a Senior Infrastructure and Cybersecurity Engineer
Ability to collaborate and communicate well within a team
Ability to handle complex infrastructure, projects, and issues within a complex onsite and cloud environment

Job Responsibility

Become the go-to resource for complex infrastructure, projects, and issues within a complex onsite and cloud environment

What we offer

Hybrid work patterns - 60% office, 40% home based
Auto enrolment pension scheme
25 days of annual leave plus bank holidays (entitlement increases with length of service)
Employee Assistance Programme
Counselling service
Life Assurance scheme
Free, on site parking
Occupational maternity, paternity and adoption leave
Occupational sick leave (after probation period)
Discounted gym membership

Fulltime

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Senior Cybersecurity Engineer

As a Senior Cybersecurity Engineer, you will be at the forefront of driving secu...

Location

United States , Bellevue; Overland Park; Frisco; Herndon

Salary:

103400.00 - 186400.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

Bachelor's Degree Computer Science or Information Technology or equivalent work experience
4-7 years Experience in info security technology or related field
Experience with incident handling for Security breaches
Expert in security subject areas
2-4 years Technical Project Management
Experience with high level design architecture, security technologies, Networking, web services and SOA
Understanding of encryption, obfuscation, tokenization technologies
Medium to advance knowledge of Scripting tools (Python/Perl/Shell/HTML/PHP)
Knowledge of federal & compliance regulations e.g. SOX, PCI & CPNI
Familiarity with load balancers (ex – A10, F5), firewalls (ex – CheckPoint), Venafi, MDM (ex - Mobile Iron), Cloud (ex - AWS, Azure), Malware Protection (ex -FireEye), Advanced Persistent Threats (ex - Damballa), Privileged Accounts (ex – CyberArk), SIEM (ex – ArcSight), Log & Event (ex – Splunk), Intrusion IDS/IPS (ex – Symantec) , Cloud Platform (ex – PCF, Docker), Scanning (ex – Qualys), AppSec (ex - Veracode)

Job Responsibility

Leads security, compliance, and risk assessments on projects throughout project lifecycle
Improves process efficiency by creating and implementing creative and sustainable changes to existing deployment methodologies
Leads the identification of security needs & recommends plans/resolutions
Implements, tests & monitors info security improvements
Maintains transparency inside & outside of information security at the People management level
Communicate with groups such as application support, engineering ops, finance, privacy, risk management, etc
Leads information security policy lifecycle throughout, including intake, creation, review, approval, implementation, publishing, communication & maintenance
Implements security projects driven by groups both internal and external to info security
Mentors peers and junior team members in security technologies, enterprise solution design and facilitation and effective customer interaction
Experience with implementation of various threat modeling approaches pertaining to one or more of the following STRIDE, PASTA, TRIKE, ATTACK TREE, DREAD, KILL CHAIN, CAPEC, Mobile Application threat model, Cyber Threat Tree, and data flow diagram

What we offer

Competitive base salary and compensation package
Annual stock grant
Employee stock purchase plan
401(k)
Access to free, year-round money coaches
Medical, dental and vision insurance
Flexible spending account
Paid time off
Up to 12 paid holidays
Paid parental and family leave

Fulltime

Senior Sales Engineer

As a Senior Sales Engineer, you'll be the trusted technical advisor that strateg...

Location

United States , Arlington

Salary:

Not provided

KnowBe4

Expiration Date

Until further notice

Requirements

2-5 years of technical sales or sales engineering experience, preferably in cybersecurity, SaaS, or enterprise software where you've successfully closed complex deals with multiple stakeholders
Deep technical knowledge in cybersecurity, security awareness, or related domains
Exceptional communication skills with the ability to adapt your presentation style based on audience
Strategic sales acumen
Self-directed work style with strong organizational abilities
Collaborative mindset with natural mentorship abilities

Job Responsibility

Lead complex sales engagements with enterprise and strategic accounts, conducting in-depth technical discovery, addressing sophisticated objections, and designing comprehensive solutions
Build and present compelling technical demonstrations tailored to each audience
Collaborate closely with Account Executives to shape deal strategy, contribute technical perspectives to account planning, and drive opportunities forward
Design and execute scoped evaluation plans that prove our solution's impact
Coach junior Sales Engineers on technical approaches and process best practices
Efficiently troubleshoot moderate technical issues, anticipate common integration challenges, and collaborate with product and engineering teams on complex scenarios

What we offer

Company-wide bonuses based on monthly sales targets
Employee referral bonuses
Adoption assistance
Tuition reimbursement
Certification reimbursement
Certification completion bonuses

Fulltime

Senior Backend Engineer

As a Senior Backend Engineer, you will play a crucial role in leading the develo...

Location

United States

Salary:

153000.00 - 188000.00 USD / Year

Corelight

Expiration Date

Until further notice

Requirements

Strong appreciation and support for our core values: low ego results, tireless service, and applied curiosity
5+ years of professional software development experience
Experience building REST APIs / GraphQL to support a rich data-heavy visual user interface
Experience using AWS Services (Lambda, AppSync, API Gateway) or equivalent
Experience with Python, Java/Scala and/or Go
Knowledge of Relational and NoSQL databases
Experience adopting & using Agile development methodologies
Excellent communication skills
Bachelor's degree in Computer Science or related fields, or equivalent experience

Job Responsibility

Work in an Agile development team to design and deliver service features end-to-end from design to production deployment and monitoring
Design, develop and operate scalable, elastic and secure microservices based on serverless architectures
Design, develop and maintain robust and scalable Machine Learning and Data Analytics pipelines
Build REST APIs / GraphQL services to interface with large datasets and analytics using AWS technologies and services like AWS Lambda, API Gateway, DynamoDB, S3, and Cloudwatch
Evangelize and drive adoption of software development best practices in code health, quality, test stability and maintainability

What we offer

Equity and additional benefits
Commission-based or discretionary bonus

Fulltime

Senior Software Engineer

STR is hiring experienced Senior Software Engineers to join our multidisciplinar...

Location

United States , Melbourne

Salary:

134000.00 - 184000.00 USD / Year

STR

Expiration Date

Until further notice

Requirements

Ability to obtain a Top Secret (TS) security clearance
U.S. citizenship required
5+ years of experience in relevant software engineering roles
Proficient in Python, C, C++, or similar interpreted or low-level programming languages
Experienced with designing and implementing open architectures and rapid prototyping methodologies
Strong working knowledge of software testing, evaluation best practices, and industry-standard development lifecycles
Significant hands-on experience developing software with GNU/Linux toolchains using open-source software
Deep understanding of networking principles, including the 5-layer OSI networking stack
Strong team player with excellent communication skills, both verbal and written
Bachelor's (or higher) degree in Computer Science, Electrical & Computer Engineering, Applied Mathematics, or a related field, with at least 5 years of relevant experience or equivalent expertise gained through prior roles

Job Responsibility

Collaborate closely with a small, dedicated research team to develop innovative solutions to complex problems
Take ownership of significant features or components of projects and deliver them with minimal supervision
Lead technical discussions, guide architectural decisions, and mentor junior engineers
Develop and test novel software solutions spanning research, development, and deployed production systems
Analyze and improve existing designs and processes to optimize performance
Deliver high-quality software in a rapid-paced, research-focused team environment
Develop operational prototypes for experimentation and performance analysis
Create customer-facing operational systems, ensuring they meet high reliability and usability standards

Fulltime

Senior Software Engineer

STR is hiring experienced Senior Software Engineers to join our multidisciplinar...

Location

United States , Arlington

Salary:

134000.00 - 184000.00 USD / Year

STR

Expiration Date

Until further notice

Requirements

Ability to obtain a Top Secret (TS) security clearance (U.S. citizenship required)
5+ years of experience in relevant software engineering roles
Proficient in Python, C, C++, or similar interpreted or low-level programming languages
Experienced with designing and implementing open architectures and rapid prototyping methodologies
Strong working knowledge of software testing, evaluation best practices, and industry-standard development lifecycles
Significant hands-on experience developing software with GNU/Linux toolchains using open-source software
Deep understanding of networking principles, including the 5-layer OSI networking stack
Strong team player with excellent communication skills, both verbal and written
Bachelor's (or higher) degree in Computer Science, Electrical & Computer Engineering, Applied Mathematics, or a related field, with at least 5 years of relevant experience or equivalent expertise

Job Responsibility

Collaborate closely with a small, dedicated research team to develop innovative solutions to complex problems
Take ownership of significant features or components of projects and deliver them with minimal supervision
Lead technical discussions, guide architectural decisions, and mentor junior engineers
Develop and test novel software solutions spanning research, development, and deployed production systems
Analyze and improve existing designs and processes to optimize performance
Deliver high-quality software in a rapid-paced, research-focused team environment
Develop operational prototypes for experimentation and performance analysis
Create customer-facing operational systems, ensuring they meet high reliability and usability standards

Fulltime

Senior Software Engineer

STR is hiring experienced Senior Software Engineers to join our multidisciplinar...

Location

United States , Woburn

Salary:

134000.00 - 184000.00 USD / Year

STR

Expiration Date

Until further notice

Requirements

Ability to obtain a Top Secret (TS) security clearance (U.S. citizenship required)
5+ years of experience in relevant software engineering roles
Proficient in Python, C, C++, or similar interpreted or low-level programming languages
Experienced with designing and implementing open architectures and rapid prototyping methodologies
Strong working knowledge of software testing, evaluation best practices, and industry-standard development lifecycles
Significant hands-on experience developing software with GNU/Linux toolchains using open-source software
Deep understanding of networking principles, including the 5-layer OSI networking stack
Strong team player with excellent communication skills, both verbal and written
Bachelor's (or higher) degree in Computer Science, Electrical & Computer Engineering, Applied Mathematics, or a related field, with at least 5 years of relevant experience or equivalent expertise

Job Responsibility

Collaborate closely with a small, dedicated research team to develop innovative solutions to complex problems
Take ownership of significant features or components of projects and deliver them with minimal supervision
Lead technical discussions, guide architectural decisions, and mentor junior engineers
Develop and test novel software solutions spanning research, development, and deployed production systems
Analyze and improve existing designs and processes to optimize performance
Deliver high-quality software in a rapid-paced, research-focused team environment
Develop operational prototypes for experimentation and performance analysis
Create customer-facing operational systems, ensuring they meet high reliability and usability standards

Fulltime

Senior Sales Engineer

Dashlane is looking for a Senior Sales Engineer to support technical sales and i...

Location

Portugal; France , Lisbon; Paris

Salary:

Not provided

Dashlane

Expiration Date

Until further notice

Requirements

5+ years of customer-facing technical experience in a sales, consulting, or other technical roles working with enterprise customers
Fluency in English and German
3+ years of experience with cloud and on-premise IT environments, enterprise web technologies, directory services (Active Directory, Azure, Okta, G-suite, etc.), endpoint and network management
3+ years of experience working with one or more of the following identity providers: MS AD, MS Azure AD, G Suite, Okta, and other similar services
Understanding of core security concerns and threat models within desktop, mobile, and web application architecture, keeping information and user data safe
Experience in a SaaS sales environment with experience in deal close
Ability to write concise technical documentation
Creative and entrepreneurial mindset - interested in helping to build a business with the ability to change direction and operate in a fast-paced, high growth environment
Ability to perform day-to-day work with minimal supervision, and new and/or complex assignments with minimal direction
self-directed and resourceful

Job Responsibility

Work in close collaboration with the customer success and sales team to provide technical and domain expertise for specific opportunities, develop account strategies, and uncover additional business opportunities
Assist current and prospective clients with understanding and configuring Dashlane to integrate with their processes and systems
Deeply understand the security programs and success criteria of our prospects and customers to provide expert consultation designed to align their goals with what they can achieve with Dashlane
Actively drive the technology evaluation stage of the sales process with our prospects of various technical levels
Technically close complex and competitive opportunities, through advanced security domain expertise, technical skill and credibility
Craft technical content/documentation to show prospects/customers how to implement solutions to satisfy relevant desired outcomes and use cases
Effectively consult with CISOs, CSOs, VPs/Directors/Managers of IT & InfoSecurity at companies of all sizes and industries
Analyze feature requests from customers and prospects and provide feedback to our Product and Engineering teams
Continually optimize the technical sales process and support sales efficiency across the board
Stay on top of industry news and developments to provide and maintain a deep industry and domain expertise

What we offer

Equal Parental leave - regardless of gender, up to 20 weeks fully paid leave to take care of their new baby, within the first year of birth or adoption
Mental health services through Spring Health and well-being days
Mentorship program - select your mentor from our internal pool and continue your learning path
Comprehensive health coverage, including dependents
Unlimited PTO
Betterment 401(k) retirement plan
Paid holidays and sick leave
Donation matching program - give back to the community and support actions that lead to positive social impact under the historically marginalized communities. Every donation will be matched by Dashlane, up to $500 per year
Weekly lunch in the office and monthly happy hour
Team buildings & seasonal social events

Fulltime

Senior Cybersecurity Engineer

MAINSAIL Group

Location:
United States , Hanscom AFB, Bedford, MA

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
December 10, 2025

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Location:United States , Hanscom AFB, Bedford, MA

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Job Description:

Job Responsibility:

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Location:
United States , Hanscom AFB, Bedford, MA

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IT - Administration

Contract Type:
Not provided

Job Posted:
December 10, 2025