Senior Infrastructure and Cybersecurity Engineer Jobs

New

Senior Cybersecurity Engineer

MAINSAIL Group has an exciting opportunity for a Senior Systems Cybersecurity ro...

Location

United States , Hanscom AFB, Bedford, MA

Salary:

Not provided

MAINSAIL Group

Expiration Date

Until further notice

Requirements

Must be a U.S. Citizen
DoD 8570.01 MMGT512 compliant certification
Experience with the Risk Management Framework (RMF)
Baseline Certifications: CISSP
BA/BS Degree, and 15 years of Cyber-Security experience and 5 years DoD experience or
MA/MS Degree and 12-year experience, 5 years in DoD or
20 years of directly related experience with proper certifications of which 8 years are in DoD
Active Secret Security Clearance

Job Responsibility

Support the system/application authorization and accreditation (A&A) effort for weapon systems and PIT Systems
Recommend policies and procedures to ensure the reliability of and accessibility to information systems and to prevent and defend against unauthorized access to systems, networks, and data
Develop, execute, and track the performance of security measures to protect information and network infrastructure and computer systems
Review and assess architectures and recommend cybersecurity strategies to developmental and legacy system designs
Assess threats to determine impact and recommend corrective actions to program managers to reduce risk
Translate program/system requirements into technical requirements and architectures needed to meet program objectives
Life cycle development Promote awareness of security issues among management and ensuring sound security principles are reflected in programs’ visions and goals
Participate in systems design
Understanding of DevSecOps environments to check for security flaws and vulnerabilities during code review
Understanding of operating systems including Linux, Ubuntu, IoT systems, ZTA environments and Cloud development

Fulltime

New

Senior Cloud Security Engineer

Senior Cloud Security Engineer (Infrastructure and Security) – New York – Compet...

Location

United States , New York City

Salary:

Not provided

Orbis Consultants

Expiration Date

Until further notice

Requirements

Several years of experience working in a similar role with a focus on Cloud Security in AWS
Experience provisioning infrastructure in AWS using Terraform, CloudFormation, CDK, or similar tools
Experience configuring VPCs, route tables, NACLs, Security Groups, iptables, Web Application Firewall, Config, GuardDuty, Inspector, KMS, IAM, etc.
In depth knowledge of AWS security best practices around systems hardening, monitoring, and incident response
Experience taking part in an on-call rotation
You are passionate about securing infrastructure, reducing risk, and protecting data!
You are a subject matter expert on cloud security in AWS
You have a solid understanding of network architecture and protocols
You can advise on cloud security policies and procedures

Job Responsibility

Serve as a cloud security subject matter expert, advise on and implementing best practices
Respond to security incidents and provide timely and appropriate solutions
Conduct cloud security risk assessments and audits
Conduct investigations into security incidents and potential threats
Take part in on call rotations for incident response and remediation
Assist with policy management, security audits, and due diligence for cloud security concerns
Advise on, configuring, and managing a variety of security tools
Keep informed about and respond to emerging security threats and vulnerabilities
Assist with cloud security reviews of potential vendors

What we offer

Competitive Package
Opportunity to work with an Ambitious, Young, Growing Organisation
Significant growth potential
Not corporate culture
Trust employees to take on a lot of responsibility and have input into the shape of growth of the organisation

Fulltime

New

Senior Cloud Security Engineer

Senior Cloud Security Engineer (Infrastructure and Security) – New York – Compet...

Location

United States , New York

Salary:

Not provided

Orbis Consultants

Expiration Date

Until further notice

Requirements

Several years of experience working in a similar role with a focus on Cloud Security in AWS
Experience provisioning infrastructure in AWS using Terraform, CloudFormation, CDK, or similar tools
Experience configuring VPCs, route tables, NACLs, Security Groups, iptables, Web Application Firewall, Config, GuardDuty, Inspector, KMS, IAM, etc.
In depth knowledge of AWS security best practices around systems hardening, monitoring, and incident response
Experience taking part in an on-call rotation
You are passionate about securing infrastructure, reducing risk, and protecting data!
You are a subject matter expert on cloud security in AWS
You have a solid understanding of network architecture and protocols
You can advise on cloud security policies and procedures

Job Responsibility

Serve as a cloud security subject matter expert, advise on and implementing best practices
Respond to security incidents and provide timely and appropriate solutions
Conduct cloud security risk assessments and audits
Conduct investigations into security incidents and potential threats
Take part in on call rotations for incident response and remediation
Assist with policy management, security audits, and due diligence for cloud security concerns
Advise on, configuring, and managing a variety of security tools
Keep informed about and respond to emerging security threats and vulnerabilities
Assist with cloud security reviews of potential vendors

What we offer

Competitive Package
Opportunity to work with an Ambitious, Young, Growing Organisation

Fulltime

Senior Detection Engineer

This is a detection engineering role that leverages knowledge of monitoring, ana...

Location

Singapore , Singapore

Salary:

Not provided

Marriott Bonvoy

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Sciences or related field or equivalent experience/certification
3+ years of collective experience in Splunk SIEM (Splunk Enterprise Security) threat detection use case development or UEBA (Exabeam) use case development for insider threat use case development
5+ years of experience in security functions such as SOC, CIRT, security engineering, risk management, vulnerability management or technical infrastructure operations, administration, or systems engineering
scripting or programming language, including Python
Current information security certification such as Certified Information Security Manager (CISM), Certified Information Systems Security Professional (CISSP) preferred
offensive and defensive security certifications such as CEH, IGAC Cyber Defense, OSCP or other related certifications preferred
Splunk Certification, including Splunk Enterprise Security Certified Admin preferred
use case development experience on the Exabeam platform preferred
working knowledge of the NIST Cyber Security Framework and ISO/IEC 27001:2022 preferred
working knowledge of the MITRE ATT&CK Framework preferred

Job Responsibility

Lead collaboration sessions within the cyber security tower and other business units to devise security monitoring use cases
engage and collaborate with other security engineers and architects as needed to keep pace with the evolution of corporate infrastructure and applications and share that knowledge with peers as appropriate
document prospective security monitoring use cases with MITRE ATT&ACK mappings using standard templates and methodologies
inform and consult other cyber ops teams of required data onboarding and integrations for use case development
develop analytics, correlation searches, dashboards, reports and alerts within the SIEM and UEBA platforms
solicit feedback for pre-production security monitoring content through peer review process and user acceptance testing for tuning
document developed security monitoring content in a documentation registry using department standard templates and methodologies
manage field mapping and transmission of security monitoring alerts to the security incident response platform for SOC analyst consumption as outlined in process documentation
provide governance support for the content development function entailing content development standards compliance, change management approvals for SIEM or UEBA content, and lifecycle management of developed security monitoring content
service operational requests in queue such as analytics content performance tuning, filtering, search refinement, parsing issues

Fulltime

New

Senior Security Engineer

Senior Security Engineer – Remote (US) – Competitive Salary Opportunity to work ...

Location

United States

Salary:

Not provided

Orbis Consultants

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Information Security, Cybersecurity, or related technical field
5+ years of hands-on experience in security engineering or related roles
Expertise in secure software development, architecture design, threat modeling, CI/CD pipelines, and risk assessment
Deep knowledge of network, system, database, and application layer attack patterns and mitigation methods
Ability to clearly communicate complex concepts appropriately to multiple audience types
Coding skills necessary to discover and patch issues Node, TypeScript/React, Python
Solid understanding and experience with AWS, Heroku, Netlify, and Snowflake, including policy, configurations, and security management tooling
Proven track record with SOC 2, PCI DSS, or similar compliance frameworks and reporting
Experience working in startup or high-growth environments, fintech, and/or highly regulated industries preferred
Cloud security certifications with evidence of continued education in the area of security are a plus

Job Responsibility

Conduct regular vulnerability assessments, penetration testing, and security audits to identify and remediate security gaps across our cloud infrastructure and applications
Monitor systems for security threats, suspicious behavior, and anomalies using SIEM tools and security monitoring and vulnerability platforms like CrowdStrike and Nessus
Lead security incident response efforts, investigate suspicious reports, and implement preventative measures that may be warranted
Review and approve code (Node, React, Python) that accesses to data, authentication, or integrations, ensuring secure development practices are followed
Work closely with engineering and operations teams, including executive stakeholders and occasionally third-party service providers, to integrate security best practices into development and deployment processes
Evaluate and provide security recommendations for system architecture changes (e.g. network segmentation, microservices, virtual environments, data warehousing, etc) and new feature implementations, including the evaluation of AI enablement opportunities
Secure cloud deployments (AWS/Heroku/Netlify), including configuration of firewalls, IAM policies, VPCs, databases/data warehouses (PostgreSQL, Snowflake), API security, container security, and network monitoring
Manage and maintain access controls across server environments, implementing principle of least privilege
Advise and audit the proper handling of data in accordance with privacy and security requirements and data classification policies
Review and assess security implications of all third-party integrations and vendor relationships

Fulltime

Senior Security Engineer

CVS Health offers the opportunity to design, build, and operate a world-class Pu...

Location

United States , Work at Home

Salary:

111240.00 - 222480.00 USD / Year

CVS Health

Expiration Date

December 31, 2025

Requirements

5+ years of experience in the offensive security testing space
2+ years in security automation, platform engineering, or DevSecOps
2+ years of strong automation skills using GitHub runners and JIRA
1+ years of experience designing tests for detection robustness and mitigating brittleness

Job Responsibility

Help maintain and evolve a secure, scalable adversary-emulation platform for campaign scheduling, agent orchestration, payload execution, and results cataloging
Review commercial alternatives for Purple Team exercises using custom runners or commercial tools (e.g., Cymulate, Picus)
Provision static or ephemeral test environments via Terraform/Kubernetes across cloud and on-prem infrastructure
Develop continuous adversarial threat-simulation tests for defensive control validation and resiliency assessment
Generate high-fidelity telemetry for EDR, SIEM, and SOAR to measure detection coverage, latency, and control effectiveness
Research detection brittleness, design mutation/variant tests, and enhance test cases to strengthen detection logic
Manage work intake pipeline and ensure timely closure of ticketed requests within SLA
Produce ATT&CK-mapped artifacts, dashboards, and coverage metrics for Detection Engineering and leadership
Enforce platform security through RBAC, secrets management, audit logging, and execution safety controls
Collaborate with CTI, Threat Hunt, and SOC teams to evolve test cases based on real-world threats and gaps

What we offer

Affordable medical plan options
401(k) plan with matching company contributions
Employee stock purchase plan
No-cost wellness screenings
Tobacco cessation and weight management programs
Confidential counseling and financial coaching
Paid time off
Flexible work schedules
Family leave
Dependent care resources

Fulltime

New

Cybersecurity Engineering Lead

The Cybersecurity Engineering Lead will ensure the secure configuration and oper...

Location

Germany , Dusseldorf

Salary:

Not provided

TCC Global

Expiration Date

Until further notice

Requirements

Previous experience as an IT Operations lead or Engineer (ideally 5 years of relevant experience)
Extensive experience in cybersecurity operations, preferably in a senior or lead position, demonstrating hands-on technical proficiency and leadership
Deep understanding of endpoint security for both Windows and Linux environments
Expertise in securing cloud platforms such as Azure, M365, and Salesforce, as well as traditional on-premise infrastructure and networks
Proven skills in administering Microsoft Defender XDR and Sentinel
Comprehensive knowledge of incident response processes and the development of practical, effective playbooks
Strong background in coordinating with external SOC teams and overseeing penetration testing engagements
Excellent interpersonal and communication skills, with a track record of acting as a trusted advisor to both technical and non-technical stakeholders
A Flexible and collaborative mindset and the ability to foster productive relationships across IT, business, and leadership teams
Certifications such as CISSP, CISM, GIAC, AZ-500, or MS-500

Job Responsibility

Oversee the secure configuration and operation of on-premises systems, endpoints, and cloud environments, including platforms such as Microsoft Azure, Microsoft 365 and Salesforce
Act as the primary point of contact for all internal and external security-related inquiries
Manage and coordinate with the external Security Operations Center
Support the Security Management team in the development, validation, and ongoing improvement of security playbooks
Take an active role in incident response efforts, leading the detection, investigation, and remediation of security incidents
Lead patch management processes
Manage externally conducted penetration testing activities
Administer and operate the Microsoft Defender XDR suite, including Microsoft Sentinel
Provide security expertise and guidance to IT and business teams, and act as a deputy for the Security Manager when required
Collaborate with IT and business units to drive ongoing security awareness initiatives and continuous improvement of security processes

Senior DevOps Engineer

Join HSBC as a Senior DevOps Engineer in Shanghai or Xi'an, focusing on driving ...

Location

China , Shanghai; Xi'an

Salary:

Not provided

HSBC

Expiration Date

December 31, 2025

Requirements

Bachelor's degree in computer science, Information Technology, Cybersecurity, or a related field
Advanced degrees or certifications (e.g., AWS Certified DevOps Engineer, CISSP, CISM) are a plus
Minimum of 7 years of experience in DevOps, DevSecOps, or related roles, with at least 3 years in a leadership or senior engineering role
Proven experience in automating CI/CD pipelines and implementing security practices in a financial services or banking environment
Experience supporting production support teams during incidents, with a focus on rapid resolution and root cause analysis
Familiarity with coordinating with global/regional SRE and DevOps teams in a distributed environment
Expertise in Jenkins, GitLab CI, GitHub Actions, or CircleCI for building secure, automated pipelines
Proficiency in Terraform, CloudFormation, or Ansible for automated infrastructure provisioning
Deep knowledge of AWS, Azure, or GCP for managing secure, scalable infrastructure
Knowledge of Ali Cloud would be an advantage

Job Responsibility

Lead the design and implementation of secure, automated CI/CD pipelines
Implement Infrastructure as Code using tools like Terraform or Ansible
Automate security scanning, compliance checks, and vulnerability management within development workflows
Drive adoption of DevSecOps best practices
Collaborate with production support team to resolve production incidents
Provide technical expertise during incident response
Work closely with production support and application teams
Partner with the operation resilience project team
Coordinate with global and regional SRE and DevOps teams
Ensure compliance with China's regulatory requirements

What we offer

Flexible working
Continuous professional development
Opportunities to grow within an inclusive and diverse environment.

Fulltime

Senior Infrastructure and Cybersecurity Engineer

AKW

Location:
United Kingdom, Droitwich Spa

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
December 05, 2025

Expiration:
January 28, 2026

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AKW

Location:United Kingdom, Droitwich Spa

Category:IT - Administration

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:December 05, 2025

Expiration:January 28, 2026

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Location:
United Kingdom, Droitwich Spa

Category:
IT - Administration

Contract Type:
Not provided

Job Posted:
December 05, 2025

Expiration:
January 28, 2026