---
title: 'Network Based Systems Analyst II at ARSIEM'
canonical: 'https://feeny.ai/job/network-based-systems-analyst-ii-arsiem-arlington-7vrws6vfpg6b'
type: 'job'
last_seen: '2026-11-11'
---

# Network Based Systems Analyst II at ARSIEM

- **Company:** ARSIEM
- **Location:** Arlington, VA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-11-06
- **Last confirmed live:** 2026-11-11
- **Apply:** https://jobs.lever.co/arsiem/7f65e4eb-12bb-4645-810b-9b4603e43def

## 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 Network Defense Analyst (CNDA) to monitor network activity and analyze it for evidence of suspicious behavior. Monitoring and analysis are performed to identify and report events that occur, or might occur, within the network, in order to protect information, information systems, and networks from threats. This position will support one of our Government clients in Arlington, VA.

## Responsibilities

- Assists the Government lead in coordinating teams in preliminary incident response investigations
- Assists the Government lead with interfacing with the customer while on site
- Determines appropriate courses of actions in response to identified and analyses anomalous network activity
- Assesses network topology and device configurations identifying critical security concerns and providing security best practice recommendations
- Assists with the writing and publishing of Computer Network Defense guidance and reports on incident findings to appropriate constituencies
- Collects network intrusion artifacts (e.g., PCAP, domains, URI’s, certificates, etc.) and uses discovered data to enable mitigation of potential Computer Network Defense incidents
- Analyzes identified malicious network activity to determine weaknesses exploited, exploitation methods, effects on system and information
- Collects network device integrity data and analyze for signs of tampering or compromise
- Assists with real-time CND incident handling (i.e., forensic collections, intrusion correlation and tracking, threat analysis, and advising on system remediation) tasks to support onsite engagements

## Minimum Qualifications

- BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 4-6 years of network investigations experience.
- 2+ years of directly relevant experience in network investigations
- In depth knowledge of CND policies, procedures and regulations
- In depth knowledge of TCP/IP protocols
- In depth knowledge of standard protocols – ICMP, HTTP/S, DNS, SSH, SMTP, SMB, NFS, etc.
- In depth knowledge and experience of Wifi networking
- In depth knowledge and experience of network topologies DMZs, WANs, etc.
- Substantial knowledge of Splunk (or other SIEMs)
- Understanding of MITRE Adversary Tactics, Techniques and Common Knowledge (ATT&CK)
- Knowledge of Computer Network Defense policies, procedures, and regulations
- Knowledge of defense-in-depth principles and general attack stages with respect to network security architecture
- Ability to characterize and analyze network traffic to identify anomalous activity and potential threats to network resources
- Ability to identify and analyze anomalies in network traffic using metadata
- Experience with reconstructing a malicious attack or activity based on network traffic
- Experience examining network topologies to understand data flows through the network
- Must be able to work collaboratively across physical locations

## Preferred Qualifications

- Substantial knowledge of network device integrity concepts and methodologies
- Proficiency with network analysis software (e.g. Wireshark)
- Proficiency with carving and extracting information from PCAP data
- Proficiency with non-traditional network traffic (e.g. Command and Control)
- Proficiency with preserving evidence integrity according to standard operating procedures or national standards
- Proficiency with designing cyber security systems and environments in a Linux and/or
- Windows environment
- Proficiency with virtualized environments
- DoD 8140.01 IAT Level II, IASAE II, CSSP Analyst
- DoD 8140.01 GCIA, GCIH, CSSP Analyst/CSSP Incident Responder
- DoD 8140.01 CEH, CSSP Analyst
- SANS GIAC GNFA preferred

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)

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