Information Systems Security Officer (ISSO) - Level 1 with Security Clearance

Information Systems Security Officer - Level 1
Location: Annapolis Junction, MD
Category: Technical
Clearance Requirement: Active TS/SCI with Polygraph (most recent poly within the last 7 years)
Certification Requirement: DoD 8570 IAT I (Required)
Education Requirement: B.S. in technical discipline Experience Requirement: A degree in a related field and 7+ years of experience or 11+ years of experience without a degree
Compensation Range: $80,000-$111,000
Position Overview TAP Engineering is seeking an Information Systems Security Officer (ISSO) who will support the security and operational integrity of high-performance computing environments, including multi-vendor HPC servers, clusters, and specialized processing systems.

Working alongside experienced security professionals and engineers, you’ll help maintain compliance, manage security documentation, and protect systems processing classified information.

Key Responsibilities

• Support senior ISSOs and the Information System Security Manager (ISSM) in maintaining the security posture of systems, programs, and enclaves
• Implement and enforce information systems security policies, standards, and procedures in accordance with applicable ODNI and DoD requirements
• Develop, maintain, and update System Security Plans, certification and accreditation (C&A) documentation, and other security artifacts
• Assist with evaluating security solutions to ensure systems meet requirements for processing classified information
• Support configuration management of information system hardware, software, and firmware
• Maintain accurate inventories and records for workstations, servers, routers, firewalls, network switches, and other system components
• Perform day-to-day security operations, monitor system security, and identify potential vulnerabilities or compliance issues
• Assist with maintaining the system’s operational information assurance (IA) posture
• Administer user identification and authentication mechanisms
• Coordinate security-related system upgrades, changes, and improvements
• Support security assessments, audits, and remediation activities as needed
• Collaborate with engineers, administrators, and security personnel to address technical and compliance requirements

Required Qualifications

• Active TS/SCI clearance with Full Scope Polygraph (most recent poly within the last 7 years)
• DoD 8570 IAT I certification
• Working knowledge of information assurance, system security, and configuration management principles
• Familiarity with ODNI and/or DoD security policies and requirements
• Strong documentation and organizational skills
• Ability to work collaboratively with technical and security teams
• Strong analytical and problem-solving skills

Benefits Overview
TAP Engineering offers a comprehensive and competitive benefits package, including:

• Paid Time Off: 15–25 days annually based on tenure, plus 11 paid holidays (never use-or-lose)
• Retirement: Up to 15% employer contribution to a 401(k) through match and profit sharing
• Medical Coverage: Free medical insurance for employees, with optional buy-up plans for dependents
• Dental & Vision: Employer-paid plans with optional enhancements
• Insurance Coverage: Employer-paid life insurance, AD&D, short-term disability, and long-term disability
• Flexible Spending Accounts: Healthcare and dependent care FSAs
• Tuition Reimbursement: Up to $36,000 per year for approved coursework
• Additional Benefits: Employee Assistance Program, wellness incentives, discount programs, virtual care, prescription savings, and travel support
• Performance-Based Rewards: Merit increases, performance bonuses, and referral bonuses

Clearance Requirement
This position requires the ability to obtain and maintain a Top Secret/SCI security clearance with Full Scope Polygraph, based on a current Single Scope Background Investigation (SSBI/SBI). Clearance and polygraph processing will be completed by the U.S. Government. Factors considered for U.S. Government security clearance eligibility include, but are not limited to:

• U.S. citizenship
• Favorable criminal history review
• Education verification
• Drug and substance use review
• Credit history review
• Subject interview

Additional Information
By submitting your resume for this position, you acknowledge and agree that TAP Engineering may share your resume and related application materials with its subsidiaries and affiliated companies for consideration for other available positions. TAP Engineering is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or any other status protected by law.