Computer Network Operations (CNO) Developer - Unix, Senior

Secure our Nation, Ignite your Future

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.  

Currently, ManTech is seeking a motivated, career and customer-oriented Computer Network Operations (CNO) Developer - Unix III to join our team in the DMV area. We have opportunities in the Washington, DC area as well as Northern Virginia and Maryland. If you are looking for an opportunity in any of those locations, we encourage you to apply.

Responsibilities include but are not limited to:   

• Manages the designing, developing, documenting, testing, debugging, and maintenance of hardware or software-based CNO capabilities against Unix/Linux systems 

• Applies knowledge of security concepts and networks 

• Communicates status with leadership and customers 

• Ensures software standards are met 

• Supervises and mentors subordinate project staff and collaborates with other CNO Developers 

Basic Qualifications:  

• Bachelor's degree in an IT-related discipline  

• Five or more (5+) years of relevant experience in a similar position 

• Proficiency in C/C++ programming 

• Proficiency in low-level internals of Unix/Linux operating systems 

• Proficiency with networking (TCP/IP) and socket level programming 

• Experience with CI/CD pipeline/DevSecOps development 

• If a candidate does not have a degree at all, four (4) additional years of experience are required 

• If a candidate holds an Associates degree rather than a Bachelors degree, two (2) additional years of experience are required 

Preferred Qualifications:  

• CNO capability development experience 

• Software Analysis/Reverse Engineering experience 

• Understanding of assembly programming concepts 

• Experience using Atlassian products (JIRA, Confluence, Crucible) 

• Relevant industry standard certifications such as Certified Entry-Level Python Programmer (PCEP) or C++ Certified Professional Programmer Certification (CPP).    

Clearance Requirements:  

• This role requires an active TS/SCI clearance

Physical Requirements:

• Must be able to be in a stationary position more than 50% of the time 

• Must be able to communicate, converse, and exchange information with peers and senior personnel 

• Constantly operates a computer and other office productivity machinery, such as a computer 

• The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations 

• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action polici