Information System Security Engineer

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.

• Bachelors 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 bachelors 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 agencys Information Assurance Security Requirements Directive (IASRD) and Security Evaluation Requirements Document (SERD) requirements and security methods necessary to meet requirements.

• Experience reviewing and analyzing security documentation required to obtain agency certification

• Experience with test equipment and analysis tools, including oscilloscopes, logic analyzers, network sniffers, and LAN/WAN testers.

• Experience with installation, configuration, and use of Link Encryptor Family devices, including KIV-7M.

• Knowledge of Tactical Data Links, such as Link-11, Link-16, and Link-22.

• Knowledge of satellite system Ground Operating Equipment encryptors, such as MYK-15A, MYK-16B, MYK-17B, and GRYPHON.

• Knowledge of the Link Encryptor Family Cryptographic Interoperability Specification (LEFCIS).

• Experience in the development and operation of LEFCIS compliant products.

• Experience developing Operational Security Doctrine and policies that define cybersecurity objectives for the protection and use of LEF devices.

• Experience in designing security solutions to mitigate risks and ensure compliance with government regulations (e.g., RMF, FISMA, NIST 800-53).

• Certifications relevant to Linux or specific networking technologies are a plus (e.g., RHCSA, RHCE, or CCNA).

Clearance Requirements:

• Must have a current/active TS/SCI w/ Polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.