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# Information Systems Security Officer (ISSO) - FULLY CLEARED with POLYGRAPH REQUIRED

- **Company:** Constellation Technologies, Inc.
- **Location:** Hanover, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Systems Engineering, Bash Shell, Configuration Management, Communications Protocols, Cyber Security, Information Systems, Extract Transform Load (ETL), Linux, Perl (Programming Language), Firmware, Identity and Access Management, Information Security Management, Internet Security, Python (Programming Language), Public Key Infrastructure, Network Switches, Network Routers, Information Security Management System, Software Security, Firewalls (Computer Science), Information Technology, Cassandra, Network Server
- **Published:** October 30, 2026
- **Apply:** https://jobs.lever.co/cti-md/cfc94c60-7dde-4def-9658-aee57700eb62

## About the Role

Computer Security, United States Citizen, Top Secret Clearance, Sensitive Compartmented Information (SCI), Computer Science, Information Technology & Information Systems, Internet Security, Access Authorization, High Tech Industry, Computer Security, + Must be a US Citizen

 + Must have TS/SCI clearance w/ active polygraph
 + Bachelor's Degree in Computer Science or IT Engineering. In lieu of a Bachelor's degree, an additional four (04) years of experience for a total of twelve (12) years.
 + Eight (08) years of combined work-related experience in the fields of IT, cybersecurity or security authorization is required.
 + Familiarity with commercial security products, security authorization techniques, security incident management, and PKI and authorization services.
 + IAM Level 1 certification is required
 + Required knowledge in at least two (02) of the following

## Description

BASH, Linux, Perl, Python, Java, ETL, Cassandra, Agile, IAM Level 3 certification
Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position., o knowledge of current security tools
o hardware/software security implementation
o communication protocols
o encryption tools and techniques.

 + Provide support to senior ISSOs for implementing, and enforcing information systems security policies, standards, and methodologies
 + Assist with preparation and maintenance of documentation
 + Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information
 + Assist with Configuration Management (CM) for information system security software, hardware, and firmware
 + Maintain records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades
 + Propose, coordinate, and implement information systems security policies, standards, and methodologies
 + Develop and maintain documentation for Security Authorization in accordance with ODNI and DoD policies
 + Provide CM for security-relevant information system software, hardware, and firmware
 + Ensure compliance with system security policy
 + Evaluate security solutions to ensure they meet security requirements for processing classified information
 + Maintain operational security posture for an information system or program
 + Provide support to the information System Security Manager (ISSM) for maintaining the appropriate operational Cybersecurity posture for a system, program, or enclave
 + Develop and update the system security plan and other Cybersecurity documentation
 + Assist with the management of security aspects of the information system and perform day-to day security operations of the system
 + Track/ensure appropriate user ID and authentication mechanism of the information System (IS)
 + Obtain system authorization for ISs under their purview
 + Provide support for a program, organization, system, or enclave's information assurance program
 + Plan and coordinate implementation of IT security programs and policies
 + Manage and control changes to the system assessing the security impact of those changes
 + Provide daily oversight and direction to contractor ISSOs
 + Interact with customers, IT staff, and high-level corporate officers to define and achieve required Cybersecurity objectives