Information Systems Security Engineer (ISSE) / (DAO3) - FULLY CLEARED with POLYGRAPH REQUIRED

Constellation Technologies, Inc supports engineers with strong benefits, ongoing training, and a clear investment in professional growth. This fully onsite role in Linthicum Heights, MD is tied to a federal contract and requires an active clearance with polygraph, plus IAM 3 certification.

Why this role

• Healthcare support: affordable healthcare options with 80% employer paid premium plus a company-funded HSA
• Coverage that reduces out-of-pocket costs: dental and vision benefits with 80% employer paid premium for vision
• Income protection: 100% employer paid life insurance, 100% employer paid short-term and long-term disability
• Continuous learning: annual training, continued education, and reimbursement for professional memberships
• Unlimited Linux and cloud training access: unlimited access to Red Hat Enterprise Linux and AWS training and accreditation
• Technology reimbursement: annual reimbursement for technology such as phones, computers, printers, and more
• Retirement support: 401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment)

Responsibilities

This Information Systems Security Engineer (ISSE) role (DAO3) focuses on applying security engineering knowledge across the engineering life cycle for programs of similar scope and complexity. The work includes:

• Applying system security design processes
• Supporting defense-in-depth/breadth approaches
• Addressing identification, authentication, and authorization
• Working with system integration and controlled interfaces
• Applying engineering life cycle concepts to security activities
• Handling topics related to information domains and cross-domain solutions
• Applying requirements tied to ICD 503 (formerly NISCAP)
• Supporting risk management, intrusion detection, contingency planning, and incident handling
• Participating in configuration control and change management
• Contributing to auditing, the security authorization process, and security testing
• Applying core cybersecurity principles: confidentiality, integrity, non-repudiation, availability, and access control

Requirements

• US Citizen required
• Active TS/SCI clearance with polygraph required
• Education: Bachelor’s Degree in Computer Science or IT Engineering; in lieu of a Bachelor’s, an additional four (04) years of experience for a total of twelve (12) years
• Experience: Eight (08) years as an IT Risk Assessor, System Security Engineer, Information Systems Security Manager, or DAO in programs and contracts of similar scope, type, and complexity
• Certification: IAM 3 certification required
• Required knowledge across: system security design process; defense-in-depth/breadth; Engineering Life Cycle; information domains and cross-domain solutions; controlled interfaces; identification, authentication and authorization; system integration; ICD 503 (formerly NISCAP); risk management, intrusion detection, contingency planning, incident handling; configuration control, change management; auditing, security authorization process, cybersecurity principles (confidentiality, integrity, non-repudiation, availability, access control); and security testing

Tools and technologies

• BASH, Linux, Perl, Python, Java
• ETL, Cassandra
• Agile
• IAM 3 certification

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, including Destination Family Events, Holiday Party, and Monthly Get-Togethers
• Leadership Team engagement and mentorship
• Performance Recognition Program
• Complimentary branded apparel

Compensation: USD 206 - 255 per yearly.