Android Developer Security Clearance

Position: Android Developer with Security Clearance
Overview Big Bear.ai is seeking an Android Developer to join a mission-focused cyber team supporting critical national security objectives. In this role, you'll build and sustain custom Android capabilities used by operational teams in fast-moving, real-world environments. You'll work side-by-side with end users to understand evolving needs, translate them into technical solutions, and deliver reliable tools that perform under pressure.

This is a hands-on engineering position with end-to-end ownership from initial design through development, testing, debugging, documentation, and ongoing enhancements where speed, quality, and mission impact matter. What you will do
* Design and develop custom software tools and techniques for the Android platform
* Own end-to-end development: requirements, design, implementation, testing, and sustainment
* Diagnose and debug issues using COTS/GOTS tools and internal frameworks
* Apply a strong understanding of networking concepts and protocols to tool development
* Produce documentation needed to operate, maintain, and support delivered software
* Mentor and guide junior developers to accomplish mission objectives
* Respond to and solve time-sensitive, real-world cyber problems What you need to have
* Must have an active U.S. Government Top Secret (TS) clearance, F ull Scope Polygraph (FSP) or the ability to obtain one
* Must have at least 3+ years of experience
* Experience developing, testing, and debugging in Python and C
* Experience building UNIX applications using makefiles (or similar build environments) on mission-relevant platforms
* Experience developing CNO tools and techniques
* Strong socket programming and packet-level understanding of IP, TCP, and application-layer protocols
* Proficiency tracing execution with debuggers/tools such as Win Dbg, gdb, IDA Pro
* Experience reverse engineering native binaries
* Experience developing proof-of-concept exploit software
* Knowledge of OS internals, including topics such as:
* * runtime linker/loader concepts
* object file formats (e.g., ELF)
* file system internals (e.g., NTFS, ext2, btrfs)
* access control mechanisms (MAC/DAC)
* process/thread APIs, data structures
* Understanding of modern mitigations (ASLR, DEP, NX), approaches to bypass them, and methods to detect bypass attempts
* Experience with version control (e.g., git, Git Lab) What we'd like you to have
* Native-level mobile development experience (Android native/NDK or similar)
* Vulnerability analysis experience
* Assembly familiarity, preferably ARM
* Understanding of mobile security protections (e.g., SELinux, application sandboxing)
* Experience with Objective-C, Swift, C++
* Ability to work independently and collaboratively in a fast-paced environment with changing priorities About Big Bear.ai Big Bear.ai is a leading provider of AI-powered decision intelligence solutions for national security, supply chain management, and digital identity. Customers and partners rely on Bigbear.ai's predictive analytics capabilities in highly complex, distributed, mission-based operating environments. Headquartered in McLean, Virginia, Big Bear.ai is a public company traded on the NYSE under the symbol BBAI.

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Bear.ai is an Equal opportunity employer all protected groups, including protected veterans and individuals with disabilities.