Constellation Technologies

Information Systems Security Engineer (ISSE) - FULLY CLEARED with POLYGRAPH REQ

Constellation Technologies · Annapolis Junction, MD
Annapolis Junction, MD $140K–$265K Posted 2026-08-24
Salary
$140K–$265K
Type
Full-time
Experience
12+ yr

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.

The benefits package:

  • Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA
  • Comprehensive Dental package
  • 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].

  • 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.
  • Must have twelve (12) years of experience working as an ISSE on a large technical program.
  • Must have a solid understanding of security practices and policies and hands-on vulnerability testing experience using Customer tools.
  • 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.
  • 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.
  • 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 pay range for this job, with multi-levels, is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

AWS
$110K — 10th pctl $265K — 90th pctl
This role’s midpoint $202K vs. market median $180K for Engineering roles
+10%
above median
Based on 23,000+ Engineering roles with disclosed salary ranges tracked on NewJob.
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