Position Requires a Top Secret (TS/SCI) Clearance with a Polygraph.Cyber Offense and Defense Experts (CODEX) is seeking cyber engineering experts for developer positions. CODEXA cents € (TM) s passion is work that challenges, engages, and provides real-world mission impactA cents € "which means our research and development efforts cover the full spectrum of security technologies for computer network operations. Developers must play both sides of the fenceA cents € "developing and defeating advanced new security techniques. Projects are undertaken in small teams in close coordination with customers to quickly deliver or enhance capabilities.Duties include: design custom software tools and techniques for mobile platforms; be responsible for end-to-end design and development of custom software; diagnose and debug issues using both COTS and GOTS tools; have a firm understanding of how networks work; develop documentation pertinent to operating and supporting developed software and techniques; mentor and lead junior-level developers to accomplish mission objectives; and solve real-time cyber challenges.Estimated Salary:Position Level: All LevelsSalary Range: Up to $215,000.00 per yearB4Corp Estimated Salary Ranges:Position Level Min Salary Max SalaryLevel 1 - Subject Matter Expert $160,000 $215,000Level 2 - Expert $140,000 $195,000Level 3 - Senior $110,000 $170,000Level 4 - Full Performance $60,000 $100,000Mandatory Requirements:Requirements (CNO Developer - Sr)A cents € cents Fifteen years of experience programming in C, and PythonA cents € cents Fifteen years of experience UNIX applications using make files or comparable build environments, mission-applicable platformsA cents € cents Fifteen years of experience with programming CNO tools and techniquesA cents € cents Fifteen years of experience with network sockets programming and expert packet-level understanding of IP, TCP, and application-level protocolsA cents € cents Experience tracing code execution in a debugger (WinDbg/gdb/IDA Pro)A cents € cents Experience reverse engineering native binariesA cents € cents Experience developing proof-of-concept exploit softwareA cents € cents Experience creating and briefing technical presentationsA cents € cents Experience with mobile platformsA cents € cents Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (eg, ELF), file system internals (eg, NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structuresA cents € cents Understanding of security protection mechanisms (ASLR, DEP, NX), how to defeat them, and how to detect a defeatA cents € cents Experience developing software and performing code reviews on a team, using tools such as git, Gitlab, etc.Requirements (CNO Developer - Mid)A cents € cents Ten years of experience programming in C, and PythonA cents € cents Ten years of experience UNIX applications using make files or comparable build environments, mission-applicable platformsA cents € cents Ten years of experience with programming CNO tools and techniquesA cents € cents Ten years of experience with network sockets programming and expert packet-level understanding of IP, TCP, and application-level protocolsA cents € cents Experience tracing code execution in a debugger (WinDbg/gdb/IDA Pro)A cents € cents Experience reverse engineering native binariesA cents € cents Experience developing proof-of-concept exploit softwareA cents € cents Experience creating and briefing technical presentationsA cents € cents Experience with mobile platformsA cents € cents Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (eg, ELF), file system internals (eg, NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structuresA cents € cents Understanding of security protection mechanisms (ASLR, DEP, NX), how to defeat them, and how to detect a defeatA cents € cents Experience developing software and performing code reviews on a team, using tools such as git, Gitlab, etc.Requirements (CNO Developer - Jr)A cents € cents Six years of experience programming in C, and PythonA cents € cents Six years of experience UNIX applications using make files or comparable build environments, mission-applicable platformsA cents € cents Six years of experience with programming CNO tools and techniquesA cents € cents Six years of experience with network sockets programming and expert packet-level understanding of IP, TCP, and application-level protocolsA cents € cents Experience tracing code execution in a debugger (WinDbg/gdb/IDA Pro)A cents € cents Experience reverse engineering native binariesA cents € cents Experience developing proof-of-concept exploit softwareA cents € cents Experience creating and briefing technical presentationsA cents € cents Experience with mobile platformsA cents € cents Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (eg, ELF), file system internals (eg, NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structuresA cents € cents Understanding of security protection mechanisms (ASLR, DEP, NX), how to defeat them, and how to detect a defeatA cents € cents Experience developing software and performing code reviews on a team, using tools such as git, Gitlab, etc.Optional Requirements:Desired Experience (CNO Developer - Senior)A cents € cents Experience with native-level mobile developmentA cents € cents Experience with vulnerability analysisA cents € cents Experience with assembly, preferably ARMA cents € cents Understanding of mobile security protection mechanisms, such as SELinux and application sandboxingDesired Experience (CNO Developer - Mid)A cents € cents Experience with native-level mobile developmentA cents € cents Experience with vulnerability analysisA cents € cents Experience with assembly, preferably ARMDesired Experience (CNO Developer - Junior)A cents € cents Experience with native-level mobile developmentA cents € cents Experience with vulnerability analysisA cents € cents Experience with assembly, preferably ARM and MacOSA cents € cents Understanding of mobile security protection mechanisms, such as SELinux and application sandboxingB4CORP Company InformationB4Corp is a small defense contracting company that focuses on providing an optimum environment for mission-focused, highly-skilled consultants to support the United States of America's intelligence community and other defense organizations. B4Corp provides a low overhead, highly efficient, high salary environment that allows employees to excel at meeting the client's needs. B4Corp is looking for information technology professionals that have a high sense of personal responsibility, self-motivation, and mission drive.B4Corp's dedication and care for its employees is reflected in the outstanding compensation and benefits B4Corp provides. Our salaries are second to none. B4Corp's benefits reflect the company's policy of putting the employees first. Our health insurance demonstrates this with 100% employer coverage and providing employees with a plan that has $0 copay, 0% coinsurance and an HSA that can allow employees to accrue health savings for the future. B4Corp's maximum flexibility comp / makeup time policy, along with the company's cafeteria-style benefit plan that allows employees to maximize their benefit dollars, reflects B4Corp's commitment to its employees.Compensation:Outstanding SalariesRetirement:Full Vanguard 401k Plan - Featuring a full scope of investment options- 100% employer matched contribution up to 6% of employee's salary- Ability to max out 401k savings $57k ($63.5k if over 50)Employees receive B4Corp phantom stock each year (2-year vesting period)Insurance 100% Employer-Paid Premiums:United Health Care Choice Plus HSA POS Gold 1500 w/HSA- Employer funded HSA to cover 100% health care deductible- Health insurance: $0 copay, $0 co-insurance. Full scope protection for you and your family!- 100% employer premium coverage for single and familyHealth Equity HSA - B4Corp contributes $1500.00 for single and $3000.00 for family into your Health Equity HSA to cover 100% of your health care deductible.Mutual of Omaha Dental VSP Vision Insurance Mutual of Omaha short-term disability (60% of salary up to $2,000.00/week)Mutual of Omaha long-term disability (60% of salary up to $10,000.00/month)Mutual of Omaha life insurance ($200,000.00)Employee Referral Bonus:Refer a friend or a coworker and receive $3,000 per year for every year the person works for B4CORPPaid Time Off (PTO):Seven weeks of leave per year (including ten federal holidays)Ability to purchase 2 additional weeks of vacationFlexible work schedule with comp time (with customer approval)Tuition and Training:Free CBTNuggets Online Training Account- More than 200 online IT courses on a large variety of topics, including networking, security, virtualization, and the cloud "A cents € from trusted vendors such as Cisco, Microsoft, and Google.- Train anytime, anywhere, and on a variety of devices - even offline!- TranscenderA' (R) Practice Exams- Virtual LabsFree L inux Academy Online Training AccountInternal Tracking -RBF1