Job Abstract

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 International, 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 Senior Network Security Computer Systems Engineer to join our team in the Washington, DC. This position supports a 24/7/365 service center. You will have the option of three different shifts (1st, 2nd, and 3rd). This is a part-time position.

Responsibilities include but are not limited to:

• Performs as the highest-level technical expert, providing both internal and external consulting services.
• Works independently on advanced systems/software analysis projects.
• Remains current in operating systems/ software analysis and technological developments/applications.
• Recommends future direction or projects to management.
• Develops and provides training to junior Network Security Computer Systems Engineers
• Implement DISA STIGs and secure AWS-based firewalls, proxies, and Cisco and Fortigate firewalls;
• Utilize security tools such as Tenable, BigFix, SCCM, Cisco ISE, Prime, and DNA, and FISMA findings to identify and remediate vulnerabilities;
• Conduct audits to identify security gaps and recommend solutions;
• Contribute to security incident management and response;
• Secure site to site VPNs;

Basic Qualifications:

• A bachelor’s degree in Computer Science, Math,, Electrical Engineering, or related field
• A minimum of seven (7) years of related experience
• Demonstrated experience working with STIGs, firewalls, proxies, Cisco network devices, vulnerability scanning tools, and FISMA requirements and findings;
• Demonstrated experience conducting security audits;
• Demonstrated experience contributing to security incident response

Preferred Qualifications:

• Proficient with ServiceNow
• Demonstrated experience guiding and training junior technical staff

Clearance Requirements:

• Must be a U.S. citizen
• Must be able to obtain a Public Trust

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 policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information.