Information System Security Engineer

General information

Requisition # R57924 Locations USA-MD-Linthicum Heights Posting Date 01/29/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with ManTech! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with ManTech!

ManTech is seeking a motivated, career and customer-oriented Information System Security Engineer (ISSE) to join our team in Linthicum Heights, MD. This role is vital for ensuring the confidentiality, integrity, and availability of systems within secure environments.

The ISSE will provide cybersecurity and systems engineering support to:

• Link Encryptor Family (LEF) development, evaluation and certification efforts.

• Ensure interoperability between LEF implementations by specifying requirements and verifying compliance. Develop new versions of the LEF Cryptographic Interoperability Specification (LEFCIS) and maintain existing versions.

• Provide laboratory engineering support and participate in planning, setup, testing, and reporting of security, functionality, interoperability, and conformance testing of LEF products.

Minimum requirements needed to qualify for the role:

• Fourteen years experience as an ISSE on programs and contracts of similar scope, type, complexity within the Federal Government is required.

• Bachelor’s degree in computer science, Information Assurance, Information Security System Engineering or related discipline from an accredited college or university is required.

  • Four years of additional ISSE experience may be substituted for a bachelor’s degree.

• DoD 8570 compliance with IASAE Level 2 is required, CISSP Certification

• Understanding of encryption technologies and cryptographic principles.

• Knowledge of system certification and accreditation (C&A) processes.

• Experience in performing vulnerability assessments, threat modeling, and risk analysis.

• Knowledge of network devices, including routers, switches, firewalls, and intrusion detection/prevention systems.

• Understanding of networking concepts and protocols, including serial communications (EIA-530, EIA-422/423, EIA-232, EIA-644), TCP/IP, HTTP/S, SSL/TLS, and RESTCONF/YANG.

• Knowledge of Operating Systems, including Linux, Windows and VMware

Preferred Qualifications:

• Deep understanding of symmetric and asymmetric key management techniques and principles.

• Experience with encryptors, secure communications, and cryptographic product evaluation.

• Familiarity with the agency’s  Information Assurance S