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Information Systems Security Engineer (ISSE) - LEVEL 02 - FULLY CLEARED with POLYGRAPH REQUIRED

Cti Md

Annapolis Junction, MD permanent

Posted: March 16, 2026

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Quick Summary

A highly skilled Information Systems Security Engineer with a strong background in Information Assurance, Information Security System Engineering and relevant ISSE experience is required for this role.

Job Description

Risk Management Framework (RMF), NMAP, PKI, Wireshark, auditing, penetration testing, scripting, IASAE, CISSP, ISSEP, NISCAP

Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position.


Required::
• Must be a US Citizen

• Must have TS/SCI clearance w/ active polygraph

• Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline. Four (04) years of ISSE experience may be substituted for a bachelor's degree.

• Must have a minimum of fourteen (14) years of experience performing in an ISSE role or similar.

• DoD 8570 compliance with IASAE Level 2 is required

• Five (05) years of experience with Defense in Depth Principals/technology ﴾including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture﴿ and applying risk assessment methodology to system development.

• Must have a solid understanding of security practices and policies and hands‐on vulnerability testing experience.

• Must have experience applying Risk Management Framework.

• Must have experience formulating and assessing IT security policy.

• Must have demonstrated knowledge of and experience with common security tools, such as Nessus, NMAP and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services.

• Must have experience with secure configurations of commonly used desktop and server operating systems.

• Must be comfortable working on multiple systems and components simultaneously in various configurations.

• Must have strong verbal and written communications skills.

• Must be committed to adopting and adhering to best practices.

• Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade‐offs.

• Must be capable of performing high quality work both independently and with a team in a fast‐moving environment.​


These Qualifications Would be Nice to Have::
• DoD 8570 compliance with IASAE Level 3; both Information Systems Security Engineering Professional (ISSEP) and CISSP Certifications. DoD 8570 compliance with IASAE Level 2 or 3.

• Information Systems Security Engineering Professional ﴾ISSEP﴿ Certification.

• Computer Information Systems Security Professional ﴾CISSP﴿ Certification.

• Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti‐virus planning assistance, risk analysis, and incident response.

• Experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass the development, design, and implementation.

• Experience with penetration testing tools.

• Experience with scripting languages


The benefits package:

• Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA

• Comprehensive Dental packages

• Vision with 80% employer paid premium

• Employer paid Life insurance 100%

• Employer paid Short-term and Long-term disability 100%

• Annual training, continued education, and professional memberships reimbursement

• Unlimited access to Red Hat Enterprise Linux, AWS, and NetApp training and accreditation

• Annual reimbursement for technology i.e. phones, computers, printers, etc...

• 401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment)

The environment and perks:

• Professional development investment and paid time off for training

• Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, California, Florida and Hawaii.

• Team building events throughout the year such as Destination Family Events, Holiday Party, Monthly Get-Togethers

• Leadership Team engagement and mentorship

• Performance Recognition Program

• Complimentary branded apparel

Don't see a job opening that's the perfect fit? Apply to our General Position to join our talent pool for consideration for future opportunities.

Know someone else who may be a good fit? Refer them through the CTI External Referral Program and you could receive a one-time referral bonus of up to $10,000! Email [email protected] for more information.

Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law. Job applicants can submit questions about CTI’s equal employment opportunity policy to [email protected].

The benefits package:
• Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA
• Comprehensive Dental insurance
• Vision with 80% employer paid premium
• Employer paid Life insurance 100%
• Employer paid Short-term and Long-term disability 100%
• Annual training, continued education, and professional memberships reimbursement
• Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation
• Annual reimbursement for technology i.e. phones, computers, printers, etc.
• 401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment)

The environment and perks:
• Professional development investment and paid time off for training
• Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, Florida and Hawaii.
• Team building events throughout the year such as Destination Family Events, Holiday Party, Monthly Get-Togethers
• Leadership Team engagement and mentorship
• Performance Recognition Program
• Complimentary branded apparel

Don't see a job opening that's the perfect fit? Apply to our General Position to join our talent pool for consideration for future opportunities.

Know someone else who may be a good fit? Refer them through the CTI External Referral Program and you could receive a one-time referral bonus of up to $10,000! Email [email protected] for more information.

Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low-income status or any other status or characteristic protected by applicable law. Job applicants can submit questions about CTI’s equal employment opportunity policy to [email protected].

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