Full-Time

Mobile CNO Developer 2

Posted on 11/7/2025

Arsiem Corporation

Arsiem Corporation

11-50 employees

IT consulting and cybersecurity for governments

Compensation Overview

$158k - $177k/yr

+ Referral Bonus

Annapolis Junction, MD, USA

In Person

US Top Secret Clearance Required

Category
Software Engineering (1)
Requirements
  • Bachelor's degree and four (4) years' experience or a minimum of eight (8) years' experience in computer science, information systems, or network engineering
  • Minimum six (6) years' experience programming in Assembly, C, C++, Java, Perl, and/or Python
  • Minimum five (5) years' experience developing in one (1) or more of the following: Windows applications using Visual Studio or .NET environments; UNIX applications using make files or comparable build environments; mission-applicable platforms
  • Minimum four (4) years of experience with programming CNO tools and techniques
  • Minimum two (2) years of experience programming CNO tools for the US Government
  • Minimum two (2) years of experience in programming techniques to evade host and or network-based IDS
  • Minimum two (2) years of experience developing packet-level programs, expert-level understanding of IP, TCP, and application-level protocols
  • Minimum two (2) years of experience in network sockets programming
  • Able to lead CNO Analyst/Programmers in daily tasks
  • Able to debug software and troubleshoot issues
  • Able to create and brief technical presentations
  • Active TS/SCI with polygraph clearance; U.S. citizenship required
Responsibilities
  • Design, develop, test, and maintain Mobile CNO capabilities in support of the Customer's mission requirements
Desired Qualifications
  • Experience with designing and writing code in C/C++ along with Python
  • Experience with writing code in Swift or Objective-C is beneficial
  • Experience reading or writing assembly (ARM64, arm64e, or others)
  • Experience with debuggers such as LLDB, Xcode, or similar
  • Experience with reverse engineering tools such as IDA Pro, HexRays, Ghidra, Binary Ninja, or objdump
  • Understanding of platform-specific internals, including Objective-C runtime, MobileSubstrate, DYLD Hooks, and Grand Central Dispatch
  • Understanding of network protocols and sockets, common CNO techniques, exploitation mitigations such as DEP and ASLR, and modern software engineering concepts
  • Experience with project management best practices such as Scrum and Kanban methodologies
  • Experience with version control systems (e.g., Git) along with an understanding of basic configuration management principles

ARSIEM Corporation provides advanced IT consulting services, specializing in multiple areas including cybersecurity, enterprise architecture and development, and applications development, predominantly for government clients. The firm is distinguished by its deep commitment to cybersecurity and robust IT solutions that ensure enhanced protection and efficient digital infrastructures. This commitment to leveraging cutting-edge technologies in specialized areas of IT makes ARSIEM Corporation an excellent workplace for professionals aiming to actively contribute to significant, high-impact projects within the government sector.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Baltimore, Maryland

Founded

2013

Growth & Insights

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
INACTIVE