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Proficient Windows Jobs (NOW HIRING)

Legato, LLC

Windows CNO Developer (BZ)

Washington, DC · On-site

Proficient in C/C++ for systems-level programming. * Expertise with reverse engineering tools such as IDA Pro, Ghidra, x64dbg, WinDbg, and Hex-Rays. * In-depth understanding of Windows internals (e.g ...

REDLattice

CNO Developer (Windows Kernel)

Dulles, VA · On-site

Proficient in C/C++ for systems-level programming. * Expertise with reverse engineering tools such as IDA Pro, Ghidra, x64dbg, WinDbg, and Hex-Rays. * In-depth understanding of Windows internals (e.g ...

USM

Windows Systems Engineer

Washington, DC

Windows Systems Engineer Location: Washington, DC Duration: 1+ year Primary Skills: Active ... Proficient in SAN storage specifically with NetApp filers: installation, maintenance, and ...

Xperteks

Windows and MacOS Desktop Support

New York, NY · Hybrid

$50K - $65K/yr

Must Be Experienced And Proficient In Remote Software Technologies VPN Connectivity and TCP/IP LAN Networks General Network and Firewall troubleshooting Windows Troubleshooting Printer ...

Xperteks

Windows and MacOS Desktop Support

New York, NY · On-site

$50K - $65K/yr

Must Be Experienced And Proficient In Remote Software Technologies VPN Connectivity and TCP/IP LAN Networks General Network and Firewall troubleshooting Windows Troubleshooting Printer ...

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Proficient Windows information

What are the key skills and qualifications needed to thrive as a Windows System Administrator, and why are they important?

To thrive as a Windows System Administrator, you need strong knowledge of Windows operating systems, networking concepts, and systems troubleshooting, usually supported by a degree in IT or related certifications like Microsoft Certified: Windows Server Fundamentals. Familiarity with Active Directory, PowerShell scripting, and tools such as Microsoft System Center is typically required. Excellent problem-solving skills, attention to detail, and effective communication help administrators manage issues and support end users efficiently. These skills ensure reliable system performance, secure network environments, and smooth business operations.

What is the difference between Proficient Windows vs Windows Support Specialist?

AspectProficient WindowsWindows Support Specialist
Required CredentialsBasic Windows certifications, IT knowledgeCertifications like CompTIA A+ or Microsoft Certified
Work EnvironmentOffice, remote, or client sitesHelp desks, technical support centers
Employer & Industry UsageIT departments, tech companies, service providersIT support firms, corporate IT teams
Search & Comparison IntentUnderstanding skills for Windows proficiencySeeking technical support roles or support skills

Proficient Windows generally refers to a broad skill level in using Windows operating systems, often without specific certifications. In contrast, a Windows Support Specialist typically has specialized training and certifications, focusing on troubleshooting and supporting Windows environments. Both roles are common in IT, but the Support Specialist is more focused on technical support and problem resolution.

What are Proficient Windows professionals?

Proficient Windows professionals are individuals who have advanced knowledge and skills in using, managing, and troubleshooting Microsoft Windows operating systems. Their expertise can include system installation, configuration, security, and support for both personal and enterprise environments. These professionals may work as IT support specialists, system administrators, or consultants to ensure Windows systems run smoothly and securely. Their role is critical in maintaining productivity and minimizing downtime within organizations that rely on Windows platforms.

What are some common challenges faced by professionals in Windows system administration, and how can they be addressed?

Windows system administrators often encounter challenges such as managing system updates, ensuring security compliance, and troubleshooting user issues. Staying ahead of frequent updates and patches can be demanding, but leveraging automation tools like Windows PowerShell can help streamline these tasks. Security is another key concern, requiring regular monitoring and the implementation of best practices such as strong access controls and regular audits. Collaboration with IT support, network engineers, and cybersecurity teams is essential to maintain a secure and efficient IT environment.
More about Proficient Windows jobs
What cities are hiring for Proficient Windows jobs? Cities with the most Proficient Windows job openings:
What states have the most Proficient Windows jobs? States with the most job openings for Proficient Windows jobs include:
What job categories do people searching Proficient Windows jobs look for? The top searched job categories for Proficient Windows jobs are:
Proficient Windows jobs near you
Infographic showing various Proficient Windows job openings in the United States as of June 2026, with employment types broken down into 2% As Needed, 68% Full Time, 26% Part Time, and 4% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution.
Windows CNO Developer (BZ)

Windows CNO Developer (BZ)

Legato, LLC

Washington, DC • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 16 days ago

Job description

Legato, LLC recruiters (Staffing@legatocorp.com) would love to speak with you regarding the following position: Windows CNO Developer in Dulles, VA.
Security Clearance Required: TS/SCI minimum
What You Will Do:
We are seeking a highly skilled CNO Developer with strong reverse engineering capabilities to support advanced research, systems development, and threat analysis. This role requires deep knowledge of the Windows operating system internals, low-level programming, and the ability to analyze and deconstruct binaries for vulnerabilities, malware, or undocumented system behavior. Design, develop, and maintain low-level kernel-mode components, drivers, and subsystems for Windows platforms. Perform reverse engineering of Windows binaries (both legitimate and malicious) to understand system behavior, exploits, or undocumented APIs. Conduct vulnerability research and proof-of-concept exploit development. Analyze crash dumps, root cause bugs, and provide kernel-level debugging and troubleshooting support. Collaborate with cybersecurity researchers, analysts, and software engineers to support security-focused development efforts. Document findings, architecture, and procedures clearly for internal teams or external clients.
Our minimum requirements for this role:
  • Active TS/SCI clearance.
  • 3+ years of CNO development experience with Windows.
  • Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field (or equivalent experience).
  • Previous experience in Windows kernel development.
  • Proficient in C/C++ for systems-level programming.
  • Expertise with reverse engineering tools such as IDA Pro, Ghidra, x64dbg, WinDbg, and Hex-Rays.
  • In-depth understanding of Windows internals (e.g., kernel-mode drivers, memory management, system calls, PE file format).
  • Experience with kernel-mode debugging and root cause analysis.
  • Familiarity with secure coding practices and low-level exploit mitigation techniques (e.g., PatchGuard, CFG, DEP/ASLR).
  • Strong understanding of malware behavior and techniques

About Your New Company
Legato, LLC is a dynamic small business headquartered in Columbia, near Ft. Meade, MD. Our positions include Cyber, Software, Systems, Networking, Data Science and other complex engineering capabilities. We set ourselves apart by having employees in the top of their field and who enjoy working at Legato for its attention to its employees, aggressive compensation, and upward mobility possibilities.
We offer a generous benefits package including individual and family health, vision and dental benefits. A minimum of four (4) weeks of paid time off including a week of sick leave. Legato gives our employees 11 federal holidays off and a 401(k) employer match with no vesting schedule. There is an opportunity to earn referral benefits or bank hours if the contract allows.
Disclaimer: The salary range provided is an estimate based on current market conditions and may be adjusted based on factors such as experience, skills, and qualifications. The final salary offer will be determined after a thorough review of the candidate's background and alignment with the role. Please note that this range is subject to change and should be considered as a guideline rather than a definitive figure.
Legato LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status.

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