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Information Systems Security Officer (ISSO) Job Opening In Reston – Now Hiring Mantis Security Corporation


Job description

Mantis Security is a leading specialty firm of high caliber talent who specialize in Cyber Operations, Cyber Defense, Information Assurance, Software Development, DevSecOps, Security Engineering, and Cloud Engineering.


We enable and protect our nation's most important IT assets and invest in the long-term career development of every employee!


We are currently looking for the next ISSO to join our team of experts!


What you will be doing:



  • Mantis Security is seeking for immediate placement a highly qualified and technical Information Systems Security Officer (ISSO) to lead the Assessment and Authorization (A&A) for multiple analytic mission systems.

  • The ISSO must be proficient in standard A&A activities, and will generate and maintain the complete security body of evidence (BoE) while leading the A&A activities according to the Risk Management Framework (RMF).
  • The ISSO will work with the software engineers and cloud engineers to ensure applications and systems are developed to meet required security controls, as well as to promote proper security configuration.
  • The candidate should possess 8570 IAT Level II baseline certifications and have working knowledge of the Risk Management Framework (RMF), along with other Intelligence Community (IC) and DoD policy and guidance (ICD 503, CNSSI-1253, etc.).
  • All candidates must have current TS/SCI eligibility with the ability to obtain a CI polygraph to be considered.

Duties Include:



  • Support to the Assessment and Authorization (A&A) and all Risk Management Framework (RMF) processes (ICD 503, CNSSI-1253, NIST 800-37, NIST 800-53, etc.) for all multiple information systems Work with software engineers, DevOps engineers, release managers, and project management to follow A&A and ATO processes, and ensure Minimum Viable Product (MVP) and full releases are compliant and meet security requirements for continuous delivery to an AWS production environment Ensure validity and accuracy review of all associated security documentation Create and maintain System Security Plan (SSP), Security CONOPS, Security Test Plan (STP) and Security Test Procedures, document and maintain implementation details of NIST 800-53 security controls Plans and performs security functional testing, creates and maintains STPs, supports security assessments Utilize Xacta to maintain Security Body of Evidence (BoE) files and to work through the A&A process for each system release cycle Provide guidance on the application of security policy, identifying security requirements, providing technical guidance for the satisfaction of requirements, reviewing and determining the adequacy of required documentation Manage the plan of action and milestones (POA&Ms) by working with project managers and engineers to develop schedules and engineering actions that mitigate open findings Monitor and audit operational systems for proper use Must have: Bachelor’s degree with 9 years of experience, or Master’s degree with 7 years of experience, or no degree with 13 years of experience DoD 8570 IAT Level II certification requirements (one of CCNA Security, CySA+, GICSP, GSEC, Security+ CE, or SSCP) Must have current TS/SCI eligibility or Active TS/SCI Must be able to obtain a CI polygraph Nice to have: Proficiency with Xacta IA Manager (or Xacta 360) We believe that our strength is in our employees.

  • We offer employees the chance to work with great people on projects of high importance and are committed to providing the best culture that foster’s technical innovation and personal growth.
  • To help our staff achieve a productive work-life balance, we offer a full range of highly competitive benefits for our employees and their families.

For more information visit our website at https:



  • Job Details

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Unlock Your Information Systems Potential: Insight & Career Growth Guide


Real-time Information Systems Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Information Systems in Reston, United States, highlighting market share and opportunities for professionals in Information Systems roles.

35422 Jobs in United States
35422
110 Jobs in Reston
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Download Information Systems Jobs Trends in Reston and United States

Are You Looking for Information Systems Security Officer (ISSO) Job?

Great news! is currently hiring and seeking a Information Systems Security Officer (ISSO) to join their team. Feel free to download the job details.

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Mantis Security Corporation adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

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5. Accountabipty

6. Respect for human rights

7. Obeying United States laws and regulations

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Interview Tips for Information Systems Security Officer (ISSO) Job Success

Mantis Security Corporation interview tips for Information Systems Security Officer (ISSO)

Here are some tips to help you prepare for and ace your Information Systems Security Officer (ISSO) job interview:

Before the Interview:

Research: Learn about the Mantis Security Corporation's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

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During the Interview:

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Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Information Systems Security Officer (ISSO) interview at Mantis Security Corporation, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Mantis Security Corporation's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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