# Information Systems Security Manager / Specialist

> Node.Digital · Arlington, United States · Full-time · Posted 2026-09-22

**Workplace:** on_site

**Department:** RTX-ESS

## Description

**Information Systems Security Manager / Specialist  
Location: Arlington, VA**

**Must have an active Top Secret Clearance**

Node provides HIRT remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based and network-based cybersecurity analysis capabilities.

Node is seeking an Information Systems Security Specialist to support this critical customer mission.    

**Responsibilities:**  
\- 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

## Requirements

**Required Skills:**  
\- U.S. Citizenship  
\- Must have an active TS/SCI clearance  
\- Must be able to obtain DHS Suitability  
\- 5+ years of directly relevant experience in information security management  
\- 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)  
  
Required Education:  
BS Information Management, Cybersecurity, Computer Science or related degree, or High School Diploma and 7+ years of information security management experience.  
  
Desired Certifications:  
\- DoD 8140.01 IAT Level III, CISSP, AWS, Cisco, Microsoft

## Benefits

-   Medical
-   Dental
-   Vision
-   Basic Life
-   Health Saving Account
-   401K Matching
-   Three weeks of PTO/Sick
-   11 Paid Holidays
-   Pre-Approved Online Training

## Apply

[Apply at Node.Digital](https://apply.workable.com/node/j/9B006433CF/apply)

---
Powered by [Workable](https://www.workable.com)