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Senior Information System Security Engineer

Job Duties and Responsibilities

Entering ManTech’s 50th year, we hold the distinct honor of being named a “Top 100 Global Technology Company” by Thomson Reuters. We have earned this and many other accolades over the years for our dedication to serving the missions of our nation’s most important customers: U.S. Intelligence, Defense and Federal Civilian agencies. All know us as a trusted partner offering best-in-class solutions in cyber, data collection & analytics, enterprise IT, and systems and software engineering tailored to meet their specific requirements.


Become an integral part of a diverse team in the Mission, Cyber and Intelligence Solutions (MCIS) Group.  Currently, ManTech is seeking a motivated, mission oriented ISSE(s), in the Hanover, MD area, with strong Customer relationships. 

Monitors, evaluates, and maintains systems and procedures to protect the data systems and databases from unauthorized users. Identifies potential threats and respond to reported security violations. Determines causes of security breaches. Researches, recommends, and implements changes to procedures to protect data from future violations. May train and develop subordinates through varied project assignments. Assists in educating users on security procedures.

Information System Security Engineer II
Required Professional Experience:
• Shall have eight (8) years experience integrating information assurance disciplines into the system design, development, integration, and implementation.
• Shall have two (2) years experience identifying  Information Protection needs and define System Security Requirements; designing System Security Architecture; developing detailed Security Designs (including system security certifications and project evaluations).
• Shall have two (2) years experience with Defense in Depth principles and technology including access/control, authorization, identification and authentication, public key infrastructure, network, and enterprise security architecture.
• Shall have four (4) years experience developing security plans for employing enterprise-wide security architecture.
• Shall have four (4) years experience assessing and auditing network penetration testing antivirus planning assistance, risk analysis  and  incident response.
• Shall have four (4) years experience applying security risk assessment methodology  to  system  development,   including   threat   model   development, vul nerability assessments, and resulting security risk analysis.
• Shall have four (4) years  experience  with  the NSA  Certification  and Accreditation process (NISCAP).
• Shall have three (3) years experience enforcing the design and implementation of trusted relationships among external agency systems and architectures.
• Shall have two (2) years experience in the implementation of cross domain solutions e.g. an information assurance solution that provides the ability to manually and/or automatically access and/or transfer between two or more differing security domains.
• Shall have two (2) years experience developing systems that process information   with   different   classifications   and  categories   that  simultaneously permits access  by  users  with  different security clearances and denies access to users who lack authorization.
• Shall have two (2) years experience in network security certifications.
• Shall have two (2) years experience in system certifications.
• Shall have five (5) years experience applying of Federal, NSA, intelligence community and DoD Information Security regulations, publications, and policy.
• Shall have three (3) years direct experience with an intelligence community or signals intelligence activity.
• Shall have a Bachelor's degree in a related field (e.g. Business Management , Computer Science, Electrical  Engineering,  Information Management, Program Management etc), or two (2) years of additional relevant experience above all experience requirements listed, in lieu of a  Bachelor's degree.
• Shall have at least one Information Security related certification (Security +, CISSP, CISM).


Requires Bachelor’s degree (in Computer Science or related field) or equivalent, and seven to nine years of related experience.


Equivalent Experience/Education
Bachelor's Degree
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Years of Experience

13-15 years w/High School Diploma
07-09 years w/Bachelors Degree
04-06 years w/Masters Degree
See Qualifications
Company Name:
Security Clearance:
Top Secret / SCI
Aurora, Colorado
United States
Not Specified
Job Number:

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