Senior Software Engineer - Endpoint Security (Windows)

Role Title: Windows Security Engineer (Part of the Systems and Infrastructure Team)Department: TechnologyLocation: BengaluruAbout Caxton Associates:Founded in 1983, Caxton Associates is a prominent global trading and investment firm with a footprint across New York, London, Singapore, Monaco, and Dubai, with plans to launch in Bangalore in 2026. Our core mission is to manage client and proprietary capital through sophisticated global macro hedge fund strategies. As we expand, our new office in Bangalore will be pivotal in bolstering our trading, research, and operational capabilities on a global scale.About the Role:We are looking for a dedicated Windows Security Engineer to become a vital member of our Systems and Infrastructure team. This position focuses on enhancing, monitoring, and fortifying security across various endpoints, servers, identity systems, and essential infrastructure components.The ideal candidate will significantly contribute to the operational efficiency, reliability, and security of our Windows-based infrastructure.Key Responsibilities:Oversee and enhance Microsoft Defender, EDR/XDR tools, vulnerability scanners, and patch management processes.Establish and uphold Windows security protocols (Group Policy, baseline hardening, endpoint protection, logging).Continuously refine core security measures that safeguard Windows systems organization-wide.Monitor security alerts, conduct incident investigations, and support remediation efforts.Enhance identity and access management solutions (Active Directory, Azure AD, conditional access, MFA).Conduct routine security assessments, configuration audits, and compliance evaluations.Create and maintain security documentation, playbooks, and automation scripts (PowerShell/Python).Collaborate on architectural reviews and ensure secure deployment strategies.Qualifications:In-depth knowledge of Windows OS architecture, Active Directory, Group Policy, and Windows security standards.A minimum of 5 years in a similar role.Familiarity with EDR platforms, SIEM systems, and security monitoring techniques.Proficient in automation using PowerShell and/or Python.Experience in deploying and supporting Enterprise Windows systems and third-party applications.Understanding of vulnerability management and patching tools.Knowledge of network security principles (firewalls, DNS, TLS, authentication mechanisms).Experience with Azure security measures (Defender for Cloud, conditional access, identity protection).Strong investigative skills for troubleshooting systems and applications.Self-motivated and detail-oriented with excellent problem-solving abilities.

About Nightfall:Nightfall is a cutting-edge, AI-driven platform for unified data loss prevention and insider risk management. We safeguard sensitive information across various environments, including SaaS applications, generative AI tools, email, and endpoint devices. Trusted by a vast clientele, including AI pioneers and top-tier banks, Nightfall empowers organizations to innovate without the fear of losing intellectual property or exposing customer data. Our intelligent platform automates data loss prevention, allowing security teams to focus on strategic initiatives while automatically addressing security violations before they escalate into incidents.Backed by prominent venture capital firms such as Bain Capital Ventures, Venrock, and WestBridge Capital, along with cybersecurity luminaries like Frederic Kerrest and Maynard Webb, Nightfall is at the forefront of data protection.About the Role:As a Windows Endpoint Engineer, you will spearhead initiatives to prevent data exfiltration on endpoint devices, leveraging your extensive background in the Windows platform. You will be responsible for the design and development of core features within Nightfall’s Data Exfiltration platform, requiring a deep understanding of operating system internals and file and device interfaces.Key Responsibilities:Design and implement data exfiltration prevention applications, drivers, system extensions, and services on Windows.Maintain and enhance mission-critical agents on endpoint devices.Oversee complex features from conception through delivery and resolve customer-related issues.Create and develop secure software with cross-platform outputs.Document internal and public service protocols and updates.

We are seeking a skilled Windows Engineer to join our dynamic team at Squircle IT Consulting Services Pvt Ltd. The ideal candidate will possess a solid understanding of Windows internal architecture, Windows Registry, driver architecture, and embedded Windows systems. Experience with thin clients and Windows 2012 is essential.

We are seeking a skilled Windows Engineer with expertise in Registry, Windows Internals, and thin clients. This role involves working on Windows Embedded systems, creating and managing Windows images, and ensuring optimal deployment and performance of Windows 2012 environments.

Join our dynamic team as a Windows L2 Support Engineer, where you will play a crucial role in providing top-notch technical support and solutions for our clients. You will be responsible for troubleshooting and resolving issues related to Windows operating systems, ensuring optimal performance and user satisfaction.

Join our dynamic team as a Windows L2 Support Engineer. In this role, you will leverage your expertise to troubleshoot and resolve complex technical issues related to Windows environments. Your proficiency in managing user requests and providing exceptional customer service will be key to enhancing our operational efficiency.

Join our dynamic team at Eurofins Scientific as an IT Infrastructure System Engineer specializing in Windows environments. In this role, you will play a crucial part in managing and optimizing our IT infrastructure, ensuring robust performance and security. You will collaborate with cross-functional teams to implement solutions that enhance our operational efficiency.

Role Overview Sutherland is seeking a Windows Image Creation & Deployment Engineer in Bengaluru. This role focuses on building and deploying Windows images for a range of environments, ensuring each image meets high standards for performance and security. What You Will Do Create, maintain, and deploy Windows images tailored to different operational needs Work closely with cross-functional teams to gather and clarify image requirements Troubleshoot deployment issues to support a smooth rollout across devices Help deliver a seamless user experience during and after deployment Who Succeeds Here Detail-oriented engineers who care about quality and reliability Professionals with a strong interest in technology and process improvement

Join us as a System Engineer specializing in Windows and VMware technologies. In this role, you will leverage your strong technical expertise in managing Windows operating systems, VMware virtual environments, and scripting with PowerShell. You will be responsible for the operations management of both physical and virtual servers, ensuring optimal performance, security, and compliance with industry standards.Your key responsibilities will include building and rebuilding server infrastructures, executing OS patching and troubleshooting, and managing server storage and networking technologies. Experience with major server hardware brands such as HP, IBM, DELL, and Lenovo is essential. You will also engage in migration projects and work with cloud platforms, enhancing our operational capabilities.To excel in this role, you should have a solid understanding of Active Directory, domain management, and various Windows-related applications. Knowledge in automation and OS image customization is a plus. Your ability to work effectively across multiple projects while communicating with global teams is crucial.

Role OverviewWe are seeking a skilled System Engineer specializing in Windows Automation to join our dynamic team. This position demands a strategic thinker with robust technical skills and a passion for mentoring junior colleagues. The ideal candidate will possess significant experience in Windows Server administration, virtualization (particularly with VMware), DevOps/Scripting, and server operations. Responsibilities include managing both physical and virtual server environments, executing migrations, optimizing system performance, and facilitating cloud and automation projects.Key ResponsibilitiesLead and oversee Windows and VMware server operations, including the construction and reconstruction of physical and virtual servers.Manage daily operations of Windows servers (2012/2016/2019) with adept troubleshooting and performance tuning skills.Conduct server hardware operations such as RAID, ILO, Firmware, and vendor platforms (HP, IBM, DELL, Lenovo).Administer VMware environments across vSphere (5.x, 6.x, 7.x) with a focus on deployment, configuration, and management.Perform P2V, V2V, vMotion, and vCenter tasks.Oversee VRA, HA, DRS, and manage virtual resource allocation.Ensure adherence to security and operational standards set by the service provider.Conduct OS patching using WSUS or similar tools, troubleshooting any patch-related issues that arise.Utilize scripts and automation to customize OS images.Manage Active Directory domains, users, FTP, IIS, DNS, DHCP, and associated Windows services.Support migration projects and cloud initiatives, preferably in AWS or Azure environments.Employ DevOps methodologies and scripting (PowerShell is essential) to enhance automation and operational efficiency.Simultaneously manage multiple projects, demonstrating strong design-level thinking.Maintain thorough documentation, performance monitoring, and service-level reporting.Collaborate with global teams, ensuring effective communication and high-quality service delivery.Exhibit leadership skills and take initiative in project execution and problem resolution.

Join our dynamic team at Squircle IT Consulting Services as a Windows Engineer specializing in driver architecture and registry management. In this role, you will leverage your expertise to design, implement, and optimize Windows drivers, ensuring high performance and stability. You will collaborate with cross-functional teams to address complex technical challenges and contribute to innovative solutions.

Join our innovative team at Squircle IT Consulting Services Pvt Ltd as a Python Scripting Engineer. We are looking for a skilled individual who is adept at developing and maintaining Python scripts across both Windows and Linux platforms. This is an excellent opportunity for someone passionate about coding and automation, looking to make a significant impact in a dynamic environment.

Join Betsol as a Security Engineer and become an integral part of our dynamic team. In this role, you will be responsible for designing, implementing, and maintaining security protocols to protect our systems and data from potential threats. Your expertise will play a crucial role in safeguarding our digital assets and ensuring compliance with industry standards.

Join our dynamic team at Vams as a SQL Support Engineer specializing in Windows environments. You will be responsible for providing high-level technical support and troubleshooting for SQL databases, ensuring optimal performance and availability. Your expertise will be vital in diagnosing issues, implementing solutions, and collaborating with our development team to enhance our systems.

ZeroFOX is on the lookout for a dedicated and skilled Security Operations Engineer who is motivated to enhance the security framework of our rapidly expanding SaaS security platform. This role is an integral part of our Security & Compliance team, responsible for leading cross-functional initiatives that drive our company's information security agenda, impacting every facet of our operations.Key Responsibilities:Enhance and maintain ZeroFOX’s overarching security posture, concentrating on endpoint protection and the organization’s logging and alerting mechanisms.Act as the primary engineer for endpoint security solutions, which includes managing EDR/AV tools, configuring policies, responding to alerts, and establishing secure baseline configurations and forensic measures.Support automation efforts related to monitoring, logging, and alerting to streamline processes.Conduct thorough security reviews and provide actionable recommendations for internal systems and application requests.Triage and resolve security alerts from internal systems, delivering operational support to the team.Assist in conducting internal security assessments, prioritizing identified gaps, and creating a targeted remediation plan.Play a role in monitoring and reporting on the enterprise's security posture.Help ensure ongoing compliance with standards such as NIST and SOC2.

DigitalOcean is hiring a Product Security Engineer in Bengaluru. This role focuses on solving large-scale security challenges while making it easier for engineering teams to build securely. The Security Engineering team works closely with other security groups and the wider DigitalOcean community to guide secure architecture, establish guardrails, and help engineers make informed security decisions. Security at DigitalOcean means tackling complex problems that affect customers, products, and the broader internet. What you will do Assess security across infrastructure, applications, personnel, and processes. Work with product managers, designers, and engineers to model threats and design resilient systems. Review source code for secure coding practices and contribute to defining security requirements. Design and implement security services, tools, and libraries to promote secure defaults. Develop tools and services for engineers to support security in the CI/CD pipeline, such as custom Semgrep implementations and developer-first secrets management. Help build a platform that enables safe, straightforward, and low-risk software development at DigitalOcean. Promote internal security culture through developer training and internal Capture the Flag (CTF) events. Support engineers in understanding the impact of security events on their work, such as new CVEs or vulnerabilities like RetBleed.

Join our dynamic team at Squircle IT Consulting Services Pvt Ltd as a Windows Administrator. In this role, you will manage and maintain our Windows server environment, ensuring optimal performance, security, and reliability. You will be responsible for system installations, configurations, and troubleshooting, while also providing technical support to our users.We are looking for someone who is proactive, detail-oriented, and able to work both independently and as part of a team. If you have a passion for technology and a commitment to excellence, we want to hear from you!

Role Overview: Join JioStar as an Application Security Engineer and become an integral part of our mission to protect our products and user information. In this role, you will bridge the gap between engineering and security, implementing best practices throughout the development lifecycle, detecting vulnerabilities in our web and mobile platforms, and taking proactive measures to mitigate risks from the design phase through to deployment. This position is perfect for individuals who are enthusiastic about secure coding practices, conducting threat modeling, and instilling a security-first culture within teams. You will have the chance to work with innovative technologies, impact product strategies, and continually advance JioStar’s security framework in a dynamic and high-stakes environment.

Join our dynamic team as a Security Engineer II at Greenlight, where you will play a pivotal role in safeguarding our systems and data. You will be responsible for designing, implementing, and monitoring effective security measures to protect our infrastructure against threats.As a part of our team, you will work collaboratively to identify potential vulnerabilities, conduct risk assessments, and ensure compliance with industry standards. You will have the opportunity to work with cutting-edge technologies and contribute to the continuous improvement of our security posture.