Linux Security Developer
- People Tech
- 7 - 12 years
- Hyderabad
- 8 months ago
- Email to a friend
- Report this job
Job Description
Job Title: Linux Security Developer
Key Responsibilities:
- Develop, integrate, and maintain security features across the Linux kernel, user space, and system services.
- Implement Linux Security Modules (LSM) such as SELinux, AppArmor, or Smack, and define appropriate security policies.
- Work on secure boot mechanisms including UEFI Secure Boot, Measured Boot, and TPM-based attestation.
- Implement kernel hardening measures (e.g., KASLR, stack canaries, lockdown mode, seccomp filters).
- Support filesystem-level security mechanisms such as dm-crypt, LUKS, and fscrypt for data-at-rest protection.
- Integrate and validate secure key storage, TPM 2.0, and hardware-backed encryption APIs.
- Contribute to vulnerability triage, CVEs, and proactive mitigation strategies in both kernel and user-space components.
- Perform security audits, threat modeling, and implement mitigations for discovered flaws or theoretical attack surfaces.
- Implement secure IPC mechanisms, sandboxing (e.g., with namespaces, cgroups, or seccomp), and user-space confinement.
- Support and validate secure OTA (Over-The-Air) update infrastructure with rollback protection and cryptographic signature validation.
- Collaborate with platform, firmware, application, and QA teams to ensure comprehensive security coverage across the system.
Expertise:
- 8+ years of experience in Linux security development, preferably in embedded, consumer electronics, or enterprise systems.
- In-depth knowledge of Linux kernel internals, especially around process management, memory isolation, and syscall interfaces.
- Strong programming skills in C, shell scripting, and optionally Python or Rust.
- Experience with:
- Security frameworks: LSMs, Audit subsystem
- Cryptography: OpenSSL, GnuPG, keyring, PKCS#11, dm-verity
- Trusted Platform Modules (TPM) and UEFI/BIOS security features
- Sandboxing & container security: Namespaces, seccomp, cgroups, capabilities
- Proficiency in tools like:
- auditd, AppArmor utilities, selinux-utils
- strace, lsof, chkrootkit, tripwire, clamAV
- Understanding of CVE management, secure coding practices, code fuzzing, and static analysis tools.
- Familiarity with security standards like NIST, CIS benchmarks, or ISO 27001 is a plus.
- Hands-on experience with Yocto, Debian, or Ubuntu security features.
Job Classification
Industry: IT Services & ConsultingFunctional Area / Department: IT & Information SecurityRole Category: IT & Information Security - OtherRole: IT & Information Security - OtherEmployement Type: Full timeContact Details:
Company: People TechLocation(s): Hyderabad+ View Contact
Keyskills: Selinux UEFI Secure Boot Linux Security Modules Cryptography TPM 2.0 Bootloader Shell Scripting Security Framework Sandboxing ISO 27001 kernel hardening Python
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₹ 25-40 Lacs P.A
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