Information Systems Security Engineer (ISSE) II - TS/SCI with polygraph

  • Leidos,
  • Columbia, MD
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Analysis, Architecture, CISSP, Firmware, Hardware, Management, Networking, Protocols, Risk Management, Routers, Security
Full Time
Work from home not available Travel not required

Job Description

Job Description:

The Leidos Intelligence Group has a career opening for an Information Systems Security Engineer (ISSE) level II. The ISSE will support our customer in Columbia, MD.

Program Summary

As an ISSE II you will join a small team providing Information Assurance (IA) Architecture Analysis and Security Engineering Support for the implementation and fielding of the National Leadership Command Capability in support of Nuclear Command, Control, and Communications (NC3), Continuity of Government (COG), and Senior Leader communications. The ISSE II will perform in a consultant like role providing technical knowledge, expertise and advice to our customer.

Primary Responsibilities:

The ISSE shall perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established IA standards and regulations and recommended mitigation strategies.

This includes:

Validates and verifies system security requirements definitions and analysis and establishes system security design

Designs, develops, implements and/or integrates IA and security systems and system components including those for networking, computing and enclave environment to include those with multiple enclaves and with differing data protection/classification requirements

Builds IA into systems deployed to operation environments

Assist architects and systems developers in the identification and implementation of appropriate information security functionality to ensure uniform application of Agency security policy and enterprise solutions

Supports the building of security architectures

Enforces the design and implementation of trusted relations among external systems and architecture

Assesses and mitigates system security threats/risk throughout the program life cycle

Contributes to the security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operations

Reviews C&A documentation, providing feedback on completeness and compliance of its content


Bachelor of Science degree from an accredited university in Computer Science, Information Assurance, Information Security System Engineering or related field with a minimum of 14 years of experience as an Information Systems Security Engineer (ISSE) on programs and/or contracts with the Federal Government

CISSP or CISSP-ISSEP DoD approved 8570 baseline certification is a firm requirement

Strong writing skills

Confidence and ability to present briefing to senior level DoD officials in both prepared briefings and/or in ad hoc discussions.

Additionally, the candidate must also possess the following knowledge, skills and abilities:

Expertise in network technology and systems security engineering.

Experience in identifying, researching, characterizing, and documenting security weaknesses related to operating systems, software applications, firmware, network hardware components, as well as network architecture design and documented policies and procedures.

Experience developing and documenting system security requirements and conducting requirements gap analysis.

Knowledge of, and practical experience with the NIST Special Publications 800 Series, CNSSI 1253, and DoD 8500.

Experience with network technologies and the ability to demonstrate knowledge of network protocols, communications systems and architectures.

Should have significant hands on experience implementing security and/or network components, i.e. routers, firewalls, IPS, IDS, etc.

Ability to work independently within a schedule and with little direction.

TS/SCI with polygraph

External Referral Eligible


Company Information

Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 31,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.17 billion for the fiscal year ended December 29, 2017. (NYSE: LDOS) All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.