Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Quick apply
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Quick apply
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Project Elf is a signature USO program where companies, organizations, families and the community-at-large sponsor military kids by selecting and providing gifts selected from a custom wish list.
Project Elf is a signature USO program where companies, organizations, families and the community-at-large sponsor military kids by selecting and providing gifts selected from a custom wish list.
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Project Elf is a signature USO program where companies, organizations, families and the community-at-large sponsor military kids by selecting and providing gifts selected from a custom wish list.
Project Elf is a signature USO program where companies, organizations, families and the community-at-large sponsor military kids by selecting and providing gifts selected from a custom wish list.
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Reston, VA · On-site +1
Project Elf is a signature USO program where companies, organizations, families and the community-at-large sponsor military kids by selecting and providing gifts selected from a custom wish list.
Reston, VA · On-site +1
Project Elf is a signature USO program where companies, organizations, families and the community-at-large sponsor military kids by selecting and providing gifts selected from a custom wish list.
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Deep knowledge of file systems and formats (ELF, PE, Mach-O) * Effective communication with customers and teammates * Experience developing proof-of-concept exploits * Active U.S. security clearance ...
Herndon, VA · On-site
$300K/yr
... formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures ...
Herndon, VA · On-site
$300K/yr
... formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures ...
Dulles, VA · On-site
$56.50 - $74.25/hr
Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary ...
Dulles, VA · On-site
$56.50 - $74.25/hr
Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary ...
Sterling, VA · On-site
$56.25 - $74/hr
Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary ...
Quick apply
Sterling, VA · On-site
$56.25 - $74/hr
Knowledge of Unix kernel internals, including the OS runtime linker/loader, object file formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary ...
$75K - $113K/yr
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 ...
Quick apply
$75K - $113K/yr
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 ...
Herndon, VA · On-site
$300K/yr
... formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures ...
Herndon, VA · On-site
$300K/yr
... formats (e.g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures ...
Strong understanding of binary formats (ELF, PE), calling conventions, and compiler behaviors. * Experience with static analysis, dynamic instrumentation, fuzzing frameworks, or symbolic execution ...
Strong understanding of binary formats (ELF, PE), calling conventions, and compiler behaviors. * Experience with static analysis, dynamic instrumentation, fuzzing frameworks, or symbolic execution ...
Sterling, VA · On-site
$55.50 - $72.75/hr
... g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures • Understanding of ...
Sterling, VA · On-site
$55.50 - $72.75/hr
... g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures • Understanding of ...
Sterling, VA · On-site
$55.50 - $72.75/hr
... g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures • Understanding of ...
Sterling, VA · On-site
$55.50 - $72.75/hr
... g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures • Understanding of ...
Sterling, VA · On-site
$55.50 - $72.75/hr
... g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures • Understanding of ...
Sterling, VA · On-site
$55.50 - $72.75/hr
... g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures • Understanding of ...
Sterling, VA · On-site
$55.50 - $72.75/hr
... g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures • Understanding of ...
Sterling, VA · On-site
$55.50 - $72.75/hr
... g., ELF), file system internals (e.g., NTFS, ext2, btrfs), OS-specific mandatory and discretionary access control mechanisms, and process and thread APIs and data structures • Understanding of ...
Chantilly, VA · On-site
... ELF, PE), calling conventions, and compiler behaviors. • Experience with static analysis, dynamic instrumentation, fuzzing frameworks, or symbolic execution tools. • Clearance: Active TS/SCI ...
Chantilly, VA · On-site
... ELF, PE), calling conventions, and compiler behaviors. • Experience with static analysis, dynamic instrumentation, fuzzing frameworks, or symbolic execution tools. • Clearance: Active TS/SCI ...
Mclean, VA · On-site
$75K/yr
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 ...
Mclean, VA · On-site
$75K/yr
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 ...
An Elf job typically involves assisting Santa Claus during the holiday season by preparing gifts, managing toy production, and spreading festive cheer. Elves may work in Santa's workshop, at holiday events, or in retail settings to entertain children and create a magical atmosphere. Duties often include wrapping presents, organizing supplies, and engaging with guests. Strong teamwork, enthusiasm, and a love for the holiday spirit are essential qualities for the role.
A typical day for a professional Elf involves greeting guests, assisting Santa or other team members, managing lines, and helping with photo setups or merchandise sales. Elves are often responsible for keeping the festive atmosphere lively, engaging with families, and ensuring that everyone has an enjoyable experience. Depending on the venue, you may work in a small team and rotate between various duties to keep things fresh and energetic. Flexibility, teamwork, and a cheerful demeanor are essential, as the environment can be fast-paced, especially during peak times. This variety keeps the role engaging and offers plenty of opportunities to build your customer service and event operations skills.
To excel as an Elf in a professional holiday setting, you need customer service experience, basic crafting or performance abilities, and a strong sense of reliability. Familiarity with point-of-sale systems, costume maintenance, and event operations is often required for the role. Outstanding interpersonal skills, enthusiasm, and the ability to engage with children and families set top candidates apart. These skills ensure a positive guest experience, efficient event flow, and the creation of memorable holiday environments.

Principal Vulnerability Researcher
Zetier is seeking Principal Vulnerability Researchers to analyze and counter malicious software and develop operationally critical cyber capabilities. Candidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking.
Required:
Desired:
Zetier is proud to be an Equal Opportunity Employer. We celebrate diversity and do not discriminate on the basis of race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other basis protected by law. All employment is decided on the basis of merit, qualifications, and business need.
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Network security
11 - 50 Employees
Arlington, VA, US