TS/SCI ISSO/ISSE — Enterprise Security Engineer

Constellation Technologies, Inc; Laurel (MD); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Healthcare benefits package

Dental insurance

Vision insurance

Life insurance

Disability coverage

Professional training reimbursement

Technology allowance

Job summary

Constellation Technologies, Inc is seeking a security-cleared professional to support our federal contracting efforts. The role emphasizes Defense-in-Depth, network security, and enterprise security architecture.

Candidates should bring DoD 8570/IAT credentials, strong RMF experience, and hands-on work with security tools such as Nessus, NMAP, and Wireshark. Responsibilities include security operations, SSP maintenance, policy enforcement, and coordination with stakeholders to ensure compliance

Qualifications

• Must have TS/SCI clearance with active polygraph.
• DoD 8570 compliance with IAT Level I or higher.
• Experience as an ISSO/ISSE with emphasis on Defense-in-Depth, network, and enterprise security architecture.
• Familiarity with NIST 800-53 and RMF processes.
• Experience completing security evaluations of software systems to meet security requirements.
• Experience preparing SSPs and other security documentation.
• Ability to propose, coordinate, implement, and enforce information systems security policies and standards.

Responsibilities

• Perform day-to-day security operations of large, complex information systems.
• Evaluate software architectures to ensure security requirements are met.
• Prepare and maintain SSPs and security-related documentation.
• Propose and implement information security policies and procedures across large IT programs.
• Coordinate security activities with stakeholders and ensure RMF compliance.

Skills

TS/SCI clearance

ISSO/ISSE experience

RMF/ NIST 800-53

Defense-in-Depth

InfoSec policies & standards

Security tools knowledge

Encryption techniques

Education

High School Diploma

Tools

Nessus

NMAP

Wireshark

Job description

Constellation Technologies, Inc is seeking a security-cleared professional to support our federal contracting efforts. The role emphasizes Defense-in-Depth, network security, and enterprise security architecture.

Candidates should bring DoD 8570/IAT credentials, strong RMF experience, and hands-on work with security tools such as Nessus, NMAP, and Wireshark. Responsibilities include security operations, SSP maintenance, policy enforcement, and coordination with stakeholders to ensure compliance