--- title: Information Security Manager III at Solutions3 description: Solutions3 is hiring for the Information Security Manager III role in Arlington, VA. Full-time, on-site role. See the full description and apply. type: job url: https://www.foundrole.com/jobs/information-security-manager-iii-at-solutions3-llc-01a0c9f6-89ac-7f8e-ba5b-40acb74288f3 date: 2026-09-28T21:26:05Z og_description: Join Solutions3 as Information Security Manager III in Arlington, VA. Pays $94K–$112K per year. Full-time, on-site role. og_image: https://www.foundrole.com/og/cfg3r7.png breadcrumbs: - label: Home url: https://www.foundrole.com/ - label: Search url: https://www.foundrole.com/jobs --- | | | |---|---| | **Company** | Solutions3 | | **Location** | Arlington, VA | | **Salary** | $94K/yr - $112K/yr | | **Type** | Full Time | | **Posted** | Sep 22, 2026 | ## Description **Title: Information Security Manager III** **Description**: Solutions3 LLC is supporting a U.S. Government customer on a large mission critical development and sustainment program to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Solutions3 LLC is seeking an experienced and technically proficient **Information Security Manager III** to support this critical customer mission by performing investigations to characterize the severity of breaches, developing mitigation plans, and assisting with the restoration of services. **This position requires support during assigned shifts, including nights/weekends** **Eligibility**: - Must be a US Citizen - Must have an **active TS/SCI clearance** - Must be able to obtain DHS Suitability prior to starting employment - **5+ years** of directly relevant experience in information security Responsibilities Include: - Work as part of a team of Information Assurance professionals to manage the full Risk Management Framework lifecycle for Information Technology systems - Assisting technical/management leadership on major tasks or technology assignments - Establishing goals and plans that meet project objectives - Assisting in direction and control activities, having overall responsibility for security management, methods, and staffing to ensure that technical requirements are met - Participating in client negotiations and interfacing with senior management - Supporting decision making and domain knowledge that may have a critical impact on overall project implementation - Providing support to plan, coordinate, and implement a cybersecurity lab’s information security - Providing support for facilitating and helping the lab identify its current security infrastructure and define future programs, design and implementation of security related to lab systems - Assisting the efforts of security staff to design, develop, engineer and implement solutions to security requirements - Implementing and development of the DHS IT security standards - Gathering and organizing technical information about the lab’s mission goals and needs, existing security products, and ongoing programs - Performing risk analyses which also includes risk assessment - Planning and leading major technology assignments - Evaluating performance results and recommends major changes affecting short-term project growth and success - Functioning as a cyber technical expert across multiple project assignments - Working closely with ISSM and CISO to respond to Data Calls and satisfy requirements of ATOs **Required Skills**: - Hands on experience with Linux operating systems or Amazon Web Services - Experience supporting the NIST Risk Management Framework (RMF) process and contributing to a full ATO effort from initiation through authorization, including development of security documentation, control implementation statements, supporting assessment (audit) activities, and performing full POA&M management - Beginning to end Knowledge of RMF and Assessment and Authorization (A&A) documentation to include SSP, Contingency, Incident & Configuration Mgmt planning and execution - Experience working on multiple complex assignments which are broad in nature, requiring originality and innovation in determining how to accomplish tasks - Ability to apply a comprehensive knowledge across key tasks and high impact assignments - Knowledge of Computer Network Defense (CND) policies, procedures & regulations - Knowledge of defense-in-depth principles and network security architecture - Knowledge of ATO requirements and strong experience with POAMs. - Knowledge and experience with full range of Microsoft Office products (Word, Excel, Powerpoint, and Visio) - Knowledge of boundary protection and network segmentation - Knowledge of authentication and access management techniques - Experience with implementing and assessing security controls for hardware, software, and network deployments - Must be able to work collaboratively with internal and external stakeholders across physical locations **Desired Skills**: - Experience with Risk Management Framework software (CSAM, Xacta, Archer, RegScale) - Experience with host and network scanning software (Nessus, Security Center, Tenable Vulnerability Management, nmap, Wiz, burp) - Experience with Endpoint Protection tools like CrowdStrike or CarbonBlack - Working knowledge of SIEM tools like Splunk, SOAR, or ELK - Familiarity with role-based account processing operations - Familiarity with zero trust architectures - Familiarity with scripting languages (python, AWS CLI, Lambda, bash, powershell) **Desired Certifications**: DoD 8140.01 IAT Level III, CISSP, AWS, Cisco, Microsoft **Required Education**: Bachelor of Science in Information Management, Cybersecurity, Computer Science, or related degree; or High School Diploma and **7+ years** information security experience ## Skills - Scripting - Cyber Security - AWS CLI (Command Line Interface) - Amazon Web Services - Decision Making - Wiz - Information Technology - Computer Network Defense - Splunk - Information Management - Microsoft Excel - Planning - Python - Elastic Stack (Elk) - Deployment Strategy - Authentication (Software Security) - Risk Management - Negotiation - Nmap - Plan of Action and Milestones (Poa&m) - Endpoint Security - Information Systems Security Manager (Issm) - Authority to Operate (Ato) - Knowledge Management - Cyber Security Standards - Microsoft Word - Security Orchestration, Automation and Response (Soar) - Windows PowerShell - Tenable - Security Controls - Bash - Auditing - Xacta - Microsoft Office - Information Assurance - Nessus - Leadership - Computer Science - Risk Management Framework - Microsoft PowerPoint - Defense In Depth - Linux - Microsoft Visio - Vulnerability Management - SIEM - Security Management - Top Secret-Sensitive Compartmented Information (Ts/sci Clearance) - AWS Lambda - Network Security - Network Segmentation - Chief Information Security Officer (Ciso) - CrowdStrike ## How to Apply [Apply for this position](https://www.foundrole.com/jobs/information-security-manager-iii-at-solutions3-llc-01a0c9f6-89ac-7f8e-ba5b-40acb74288f3?utm_source=ai_markdown) ## Related - [Browse all companies](https://www.foundrole.com/companies?utm_source=ai_markdown)