---
title: 'Incident Manager III at ARSIEM'
canonical: 'https://feeny.ai/job/incident-manager-iii-arsiem-arlington-cm562dzmf6kq'
type: 'job'
last_seen: '2026-10-28'
---

# Incident Manager III at ARSIEM

- **Company:** ARSIEM
- **Location:** Arlington, VA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-10-14
- **Last confirmed live:** 2026-10-28
- **Apply:** https://jobs.lever.co/arsiem/a4f8e2d8-e32a-4cf9-bd2c-e28ad89ba803

## Job description

## About ARSIEM Corporation

At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients.  We provide support to multiple agencies across the United States Government.  ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support.

As demand increases, ARSIEM continues to provide reliable and cutting-edge technical solutions at the best value to our clients.  That means a career packed with opportunities to grow and the ability to have an impact on every client you work with.

ARSIEM is looking for a Cyber Incident Manager to support on-site incident response to civilian Government agencies and critical asset owners who experience cyber attacks, providing immediate investigation and resolution. This position will support one of our Government clients in Arlington, VA.

## Responsibilities

- Conduct advanced triage and analysis of complex, high-severity cyber threat intelligence and IOC packages
- Serve as technical escalation point for challenging or ambiguous threat assessments requiring deep expertise
- Perform sophisticated IOC enrichment using classified and unclassified intelligence sources
- Coordinate directly with FBI, NSA, USCYBERCOM, and other interagency partners on joint threat assessments
- Provide technical mentorship and training to mid-level and junior triage analysts
- Develop and refine analytical tradecraft, triage playbooks, and decision matrices
- Lead special projects to enhance triage processes, automation, and threat detection capabilities
- Author detailed threat assessments and intelligence briefs for JCDC leadership and partner organizations
- Represent the triage team in interagency working groups and information-sharing forums
- Identify patterns across multiple threat reports to detect emerging campaigns or threat actor activity
- Conduct quality review of analyst products and provide constructive feedback
- Support after-hours on-call rotation for critical incidents requiring senior-level triage assessment
- Contribute to strategic planning for JCDC operational capability development
- Interface with critical infrastructure sector partners to understand threat concerns and provide tailored analysis

## Minimum Qualifications

- Bachelor’s degree in a technical discipline from an accredited college or university in Computer Science, Cybersecurity, Computer Engineering, or related discipline; or HS Diploma & 7+ years of directly relevant technical experience. Master’s degree is preferred.
- 5-7 years of progressive experience in threat intelligence, SOC operations, or cyber incident response
- Demonstrated expertise in malware analysis, threat actor attribution, and cyber campaign analysis
- Advanced proficiency with threat intelligence platforms, SIEM tools, and analytical frameworks
- Deep knowledge of MITRE ATT&CK framework and intelligence-driven cyber defense concepts
- Proven track record coordinating with federal agencies and managing complex stakeholder relationships
- Strong understanding of critical infrastructure interdependencies and sector-specific threats
- Exceptional analytical writing skills with ability to communicate complex technical findings to diverse audiences
- Experience briefing technical and non-technical audiences, including senior leadership
- Must be able to work collaboratively across physical locations

## Preferred Qualifications

- Prior experience in federal government cybersecurity roles (CISA, FBI, NSA, DoD)
- Experience with the CISA NCISS National Cyber Incident Scoring System to prioritize and triage incidents
- Knowledge of general attack stages (e.g., foot printing and scanning, enumeration, gaining access, escalation of privileges, maintaining access, network exploitation, covering tracks, etc.)
- Demonstrated experience with recognizing and categorizing types of vulnerabilities and associated attacks
- Knowledge of Computer Network Defense policies, procedures, and regulations
- Knowledge of different operational threat environments (e.g., first generation [script kiddies], second generation [non-nation-state sponsored], and third generation [nation-state sponsored])
- Knowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, PL/SQL and injections, race conditions, covert channel, replay, return- oriented attacks, and malicious code)
- Published threat intelligence research or contributions to the open-source security community
- Experience with threat hunting and proactive threat detection methodologies
- Knowledge of foreign adversary cyber capabilities and geopolitical threat landscape
- Familiarity with the Privacy Act and information handling requirements for government operations
- CISSP, GCTI, GCFA, GREM, or similar advanced certifications

Clearance Requirement: This position requires an Active TS/SCI clearance and the ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability.

Candidate Referral: Do you know someone who would be GREAT at this role? If you do, ARSIEM has a way for you to earn a bonus through our referral program for persons presenting NEW (not in our resume database) candidates who are successfully placed on one of our projects. The bonus for this position is $3,500,  and the referrer is eligible to receive the sum for any applicant we place within 12 months of referral. The bonus is paid after the referred employee reaches 6 months of employment.

ARSIEM is proud to be an Equal Opportunity and 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 or veteran status, age, or any other federally protected class.

## About ARSIEM

## Company Overview
- **One-liner**: ARSIEM Corporation is a Service-Disabled Veteran-Owned Small Business (SDVOSB) that delivers advanced IT consulting and cybersecurity solutions to the U.S. Department of Defense and other federal agencies.
- **Entity Type**: Private (Bootstrapped; no public funding rounds reported)
- **Headquarters**: Baltimore, Maryland, United States
- **Founded**: 2013
- **Founders**: R. Chuck Matthews (CEO)

## Core Business
- Primary industry: IT Services and IT Consulting, with a focus on cybersecurity, enterprise architecture, and software development.
- Target customers: U.S. Government, primarily the Department of Defense (DoD) and Intelligence Community agencies.
- Mission: To provide proven technology problem-solving expertise to its customers, delivering IT solutions with cybersecurity training, information security engineering, applications development, and more.

## Products & Services
- **Cyber Security Training & CNO (Computer Network Operations)**: Custom training programs for DoD personnel, including CNO analysis and development, penetration testing, and information assurance solutions.
- **Enterprise Architecture & Development**: Web-based solutions and system integration for organizing work products and accessing information, tailored to DoD and commercial markets.
- **Applications Development**: Custom software development, including embedded software, mobile applications (Android), and platform engineering.
- **Software Test & Evaluation**: Testing and validation services for mission-critical systems.
- **Information Security Engineering**: ISSE (Information Systems Security Engineer) services, incident management, and network-based systems analysis.

## Market Standing
- **Valuation**: Not publicly available (private company).
- **Key Metric**: Approximately 34 employees (as of 2026); headcount growth of +10.9% year-over-year.
- **Notable Investors/Partners**: Primary customer is the U.S. Department of Defense. Certified as a Service-Disabled Veteran-Owned Small Business (SDVOSB) and HUBZone small business.
- **Growth Signals**: 59 active job postings (as of Sept 2026); LinkedIn followers grew 10.2% year-over-year; recent hiring of Skillbridge interns and specialized roles (AI Platform Engineer, Android CNO Developer).

## Competitive Advantages
- **Deep DoD & Intelligence Community Experience**: Leadership (CEO Chuck Matthews, President Keith Pabst) collectively have over 25 years of DoD and IC experience, including military service.
- **Niche Cybersecurity Expertise**: Specializes in hard-to-fill positions like CNO analysis, embedded development, and cyber training for combat readiness.
- **Small Business Agility with HUBZone & SDVOSB Certifications**: Eligible for sole-source and set-aside contracts, giving them a competitive edge in federal procurement.
- **High Employee Satisfaction**: 4.8/5.0 employer rating on LinkedIn (10 reviews), with perfect 5.0 for culture, 4.9 for compensation, and 4.8 for work-life balance.

## Strategic Focus
- **Expanding AI & Platform Engineering**: Recent job postings for AI Platform Engineer, AI Product Manager, and AI Engineer indicate a push into artificial intelligence solutions.
- **Talent Acquisition & Retention**: Offering competitive benefits, tuition reimbursement, and a $40,000 bonus incentive for senior software engineers in the past. Focus on hiring veterans and transitioning service members (Skillbridge internships).
- **Deepening Government Relationships**: Continuing to serve as a trusted partner to multiple agencies across the U.S. Government, with a strong emphasis on cybersecurity and operational readiness.

## Why Work Here
- **Culture & Values**: Employee reviews highlight a 5.0/5.0 culture rating, emphasizing a supportive, mission-driven environment with a focus on national security.
- **Benefits**: Competitive compensation, paid time off, tuition reimbursement (continuing education), 401(k) plan, short/long-term disability, life insurance, and medical/dental insurance.
- **Work Environment**: Most positions are on-site at locations in Maryland (Ft. Meade, Annapolis Junction) and Arlington, VA. Some telework opportunities may exist for software engineers (as noted in a LinkedIn post). The company is a recognized HIRE Vets Medallion Program employer.
- **Engineering Culture**: Strong emphasis on hands-on, mission-critical technical work (CNO, embedded systems, AI). The company supports professional development and certifications.

## Sources
1. [arsiem.com About](https://www.arsiem.com/about/)
2. [arsiem.com Careers](https://www.arsiem.com/careers/)
3. [arsiem.com Why ARSIEM](https://www.arsiem.com/why-arsiem/)
4. [linkedin.com/company/arsiem-corporation](https://linkedin.com/company/arsiem-corporation)
5. [jobs.lever.co/arsiem](https://jobs.lever.co/arsiem)

## Other roles at ARSIEM

- [Network Based Systems Analyst II](https://feeny.ai/job/network-based-systems-analyst-ii-arsiem-arlington-va-or-pensacola-nbpp38ndgef3) — Arlington VA OR Pensacola, FL
- [Lab Manager I](https://feeny.ai/job/lab-manager-i-arsiem-arlington-qbbpqx5kg624) — Arlington, VA
- [Technical Writer & Editor III](https://feeny.ai/job/technical-writer-editor-iii-arsiem-arlington-cf8arq14f6am) — Arlington, VA
- [Sr. Systems Engineer](https://feeny.ai/job/sr-systems-engineer-arsiem-columbia-wrwgcmbmpb6t) — Columbia, MD
- [Subject Matter Expert II](https://feeny.ai/job/subject-matter-expert-ii-arsiem-arlington-1sz025kv2mmq) — Arlington, VA
- [Applications Developer III](https://feeny.ai/job/applications-developer-iii-arsiem-dulles-pprsvrjnxj19) — Dulles, VA
- [Incident Manager I](https://feeny.ai/job/incident-manager-i-arsiem-arlington-8nfzy32fw68n) — Arlington, VA
- [Systems Engineer III](https://feeny.ai/job/systems-engineer-iii-arsiem-arlington-cgtvjcrtyafm) — Arlington, VA
- [Systems Engineer III](https://feeny.ai/job/systems-engineer-iii-arsiem-arlington-s92r66065k1d) — Arlington, VA
- [Incident Manager II](https://feeny.ai/job/incident-manager-ii-arsiem-arlington-1zssq9ab6t5w) — Arlington, VA