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

Constellation Technologies, Inc · Annapolis Junction, MD; Fort Meade, MD

Extracted from the posting

Base
$140,000 – $265,000
Remote
Contract locations in MD, VA, CO, TX, UT, FL, HI
Visa
US citizenship required
Stack
Nessus, Nmap, Wireshark

Information Systems Security Engineer on a federal contract requiring US citizenship, TS/SCI clearance and an active polygraph. Requires 12 years as an ISSE on a large technical program, RMF experience, and hands-on vulnerability testing with Nessus, NMAP and Wireshark. Stack includes RMF, PKI, penetration testing and scripting.

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.
  • 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.

These Qualifications Would be Nice to Have:

    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].

    Compensation: USD 140,000 – 265,000 per year salary

    Technologies

    NessusNmapWireshark
    Constellation Technologies, Inc
    Constellation Technologies, Inc

    Job details

    TypeFull-time
    Work ModeOn-site
    LevelSenior
    Location🇺🇸Annapolis Junction, MD🇺🇸Fort Meade, MD
    Salary$140,000 - $265,000
    PostedNov 06, 2026
    Apply Now