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Information System Security Officer

Job in Englewood, Arapahoe County, Colorado, 80112, USA
Listing for: Rincon Research
Full Time position
Listed on 2026-11-01
Job specializations:
  • IT/Tech
    Cybersecurity, Information Security & Data Protection, Security Management & Operations
Job Description & How to Apply Below
Why Join Rincon Research Corporation (RRC)?

At Rincon Research Corporation, our primary business is innovating, developing, and fielding digital signal processing (DSP) products and services for the United States Defense and Intelligence Communities in support of national security.

Rincon Research Corporation seeks a self-starting individual for a full-time security position at its Centennial, CO office. The security position will primarily be focused on providing Information System Security Officer (ISSO) support for local and networked systems while also providing local security support for other roles as needed. The position will interface with the office engineers, visitors, system administrators, security staff, program managers, and local vendors and inspectors.

This position requires an individual with good communication skills and the ability to organize tasks and data in a logical manner.

Come join the team that is creating cutting edge signal processing and geolocation systems for the future!

What are the primary responsibilities in the Advanced DSP/Communications Engineer position?

Work with the RRC Cybersecurity team to provide ISSO support to new and existing systems

Ensure accredited systems are operated, maintained, and updated according to security policies, controls, and documentation

Create and Maintain information assurance documentation including System Security Plans and Body of Evidence (BoE)
Perform Continuous Monitoring and reporting of identified security controls including audit log reviews, system compliance assessments, vulnerability scans, and account activity for privileged and general users.

Review and approve proposed changes to system baseline configurations, enforce standard configuration management practices, and perform updates to the SSP documentation

Work closely with the Information System Security Manager through regular briefings, meetings, and discussions concerning information security

Recommend cybersecurity solutions to resolve system security requirements, program needs, mitigations, processes, and procedures

Assist with security awareness training, risk analysis, risk management, vulnerability management, investigations, incident response, and configuration management Perform Software & Hardware Evaluations Perform Data Transfers Provide Security Help Desk support to include: reviewing, approving, and assigning tickets

Assist in the application and enforcement of security policies

Provide local general support as needed to include: facilities, logistics, vendor coordination, and IT assistance

Assist in other areas of security support as needed including:

Intrusion Detection Systems (IDS) support Access Control Systems (ACS) support

Security Inspections and Assessments Security Documentation Escorting personnel in secure areas

Security briefings and training

Ensure corporation is compliant with directives, regulations, company policy, and security operating procedures.

Investigate security incidents and violations relating to classified programs.

Assist with local Visitor Control and meeting support

Create, scan, maintain, and organize security documentation, tracking, and database information

What required background will make you successful?1-3 years of ISSO and/or System Administration experience

Experience in Cybersecurity including assessments, accreditations, and continuous monitoring. Ability to interface with customers, programs, visitors, and engineers

Must work well both independently and in a team environment with the ability to multitask in fast paced environment Must have a current favorably adjudicated T5 / T5R and eligibility for a TS//SCI clearance.

Must be able to obtain and maintain a DoD 8570 IAM Level 1 Certification or equivalentUS…
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