ISSE / ISSO - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED

Constellation Technologies, Inc; Hanover (MD); On-site; USD 110,000 - 140,000; Full time

Benefits offered by this job

Health insurance

HSA

Dental

Vision

Life insurance

Disability

Training reimbursement

Technology stipend

401(k)

Job summary

Constellation Technologies, Inc. seeks an experienced information security professional to support DoD programs. Candidates must hold TS/SCI with an active polygraph and be a U.S.

citizen, with extensive experience in ISSE/ISSO, RMF, and defense-in-depth security architecture. The role covers network and software security engineering, risk assessments, SSP maintenance, and enforcing security policies across complex systems.

Qualifications

• TS/SCI clearance with active polygraph is required.
• Experience as an ISSO/ISSE with defense-in-depth security.
• Familiarity with NIST 800-53 and RMF procedures.
• DoD 8570 compliance with IAT Level I or higher.
• Experience maintaining SSPs and security documentation.

Responsibilities

• Perform security evaluations of software systems to meet requirements.
• Propose, coordinate, implement, and enforce security policies.
• Manage day-to-day security operations for large information systems.
• Prepare documentation and support accreditation activities.

Skills

Security engineering

RMF experience

DoD 8570 IAT

Education

High School Diploma

Tools

Nessus

NMAP

Wireshark

Job description

Nessus, NMAP, Wireshark

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

• Must have TS/SCI clearance w/ active polygraph
• Must be a US Citizen
• This position is open to multiple levels of years of experience; two (02) years within the last five (05) years must be directly related to Information Systems Security Engineering / Operations:
• Level 04 requires a minimum fifteen (15) years of experience
• Level 03 requires a minimum twelve (12) years of experience
• Level 02 requires a minimum nine (09) years of experience
• Level 01 requires a minimum six (06) years of experience
• Minimum of High School Diploma
• DoD 8570 compliance with IAT Level I or higher.
• Experience as an ISSO/ISSE with emphasis on Defense-in-Depth principles, network, and enterprise security architecture
• Experience applying the principles of the NIST 800-53 including the procedures in the Risk Management Framework (RMF)
• Familiarity with STE/STN requirements
• Demonstrated knowledge of and experience with several of the following: current security tools; hardware/software security implementation; communication protocols; encryption techniques/tools
• Experience completing security evaluations of software systems or architectures to ensure they meet security requirements
• Experience preparing and maintaining SSPs and other security related documentation
• Experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies, preferably on a large software or IT program
• Demonstrated experience performing day-to‑day security operations of large, complicated information and information processing systems

These Qualifications Would be Nice to Have:

• DoD 8570 compliance with IASAE Level 2 or 3
• Information Systems Security Engineering Professional (ISSEP) Certification
• Computer Information Systems Security Professional (CISSP) Certification
• Ability to ensure the appropriate operational security posture is maintained for an information system
• Support continuous monitoring of networks to detect and correct areas of security non‑compliance, unmitigated vulnerabilities, and other risks
• Perform regular audits of information systems
• Assist the information systems security manager in preparing the information system for periodic reaccreditation

The benefits package:

• Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA
• Dental insurance with 100% employer paid premium
• 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

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 [e-mail].

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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.