1,959,972open jobs
115,646companies
243,697added this week
Browse all
Salary
≈ $94k – $181k per year (Estimated)
Location
In office (Arlington)
Seniority
Middle · 2+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 23, 2026. First seen by Alion on Nov 5, 2025. ARSIEM scores B on the Alion truth index.

Overview
Company
Impact
Profile match
ARSIEM Corporation is a US government contractor that delivers cybersecurity, enterprise architecture, applications development, embedded software development and software test and evaluation services to Department of Defense and intelligence community customers. Founded in 2013 by chief executive R. Chuck Matthews, the company supports several federal agencies, with much of its current work for a government client in Arlington, Virginia, in cyber defence, forensics and lab infrastructure. It hires information systems security engineers, host and network systems analysts, incident handlers, embedded systems researchers, lab managers and cyberspace operations instructors.

ARSIEM is looking for a Cyber Case Manager. This position will support one of our Government clients in Arlington, VA.

Responsibilities

  • Researching and compiling known resolution steps or workarounds to enable mitigation of potential Computer Network Defense incidents within the enterprise
  • Applying knowledge of the tactics, techniques, and procedures of various criminal, insider, hacktivist, and nation-state threat actors to identify and validate threats
  • Applying cybersecurity concepts to the detection and defense of intrusions into small and large-scale IT networks, and conducting a cursory analysis of log data.
  • Monitoring external data sources (e.g., Computer Network Defense vendor sites, Computer Emergency Response Teams [CERTs], SANS, Security Focus) to maintain currency of Computer Network Defense threat conditions and determine which security issues may have an impact on the enterprise
  • Identifying the cause of an incident and recognizing the key elements to ask external entities when learning the background and potential infection vector of an incident
  • Receiving and analyzing network alerts from various sources within the enterprise and determining possible causes of such alerts
  • Tracking and documenting Computer Network Defense (CND) incidents from initial detection through final resolution
  • Working with other components within the organization to obtain and coordinate information pertaining to ongoing incidents.
  • Providing support during assigned shifts

Minimum Qualifications

  • BS in Incident Management, Operations Management, Cybersecurity, or related degree. HS Diploma with 4-6 years of incident management or cyber security experience.
  • 2+ years of directly relevant experience in cyber incident management or cybersecurity operations
  • Knowledge of incident response and handling methodologies
  • Knowledge of the NCCIC National Cyber Incident Scoring System to be able to prioritize triaging of 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.)
  • Skill in recognizing and categorizing types of vulnerabilities and associated attacks
  • Knowledge of basic system administration and operating system hardening techniques
  • 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)
  • Must be able to work collaboratively across physical locations

Preferred Qualifications

  • Knowledge of basic system administration and operating system hardening techniques
  • 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)
Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
1,959,972 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Security
Similar stack
Same company
Arlington
≈ $76k – $157k per year (Estimated) • In office • Public Trust • 2+ years exp • Bachelor's Degree • Front Royal
Python
PowerShell
AI/ML
LLM
DevOps
Azure
Kubernetes
Azure AKS
Cybersecurity
Microsoft Sentinel
NIST 800-53
FedRAMP
SIEM
Apply
≈ $114k – $221k per year (Estimated) • In office • Nationals only • 5+ years exp • Bachelor's Degree • Oak Ridge
DevOps
Azure
AWS
Linux
Windows
Cybersecurity
SIEM
Apply
≈ $73k – $151k per year (Estimated) • In office • Nationals only • 2+ years exp • Associate's Degree • Oak Ridge
Python
PowerShell
DevOps
Splunk
Linux
Windows
Cybersecurity
MITRE ATT&CK
SIEM
Apply
$149k – $224k per year • In office • Full-Time • 7+ years exp • PhD • Bellevue
Python
Go
AI/ML
AI Agents
Agentforce
DevOps
Rest API
Terraform
GCP
Azure
CI/CD
Jenkins
AWS
Docker
Kubernetes
OpenStack
IAM
Windows
Cybersecurity
OWASP Top 10
SOC 2
Zero Trust
PKI
Management
Agile
QA
Swagger
Apply
$94k – $153k per year • Remote (United States) • Full-Time • 3+ years exp • Bachelor's Degree • Atlanta
Python
PowerShell
AI/ML
Copilot
DevOps
Azure
CI/CD
Windows
Cybersecurity
Microsoft Sentinel
Microsoft Defender
MITRE ATT&CK
Microsoft Defender for Cloud
Microsoft Entra ID
Apply
≈ $148k – $304k per year (Estimated) • In office • Full-Time • 7+ years exp • Bachelor's Degree • Houston • Austin
Python
SQL
SAS
AI/ML
Copilot
Prompt Engineering
AI Agents
RAG
OpenAI
Prompt Caching
Machine Learning
DevOps
Azure
Analytics
Tableau
Power BI
ETL/ELT
Management
Agile
Apply
≈ $33k – $85k per year (Estimated) • In office • 7+ years exp • Bachelor's Degree • Abu Dhabi
SQL
Cybersecurity
ISO 27001
SOC 2
GDPR
Analytics
Informatica
Apply
≈ $16k – $41k per year (Estimated) • In office • 4+ years exp • Lahore
SQL
Databases
PostgreSQL
Oracle
Amazon Redshift
DevOps
Git
AWS
AWS Lambda
Amazon S3
Linux
Unix
Analytics
ETL/ELT
Apply
≈ $16k – $41k per year (Estimated) • In office • 4+ years exp • Islamabad
SQL
Databases
PostgreSQL
Oracle
Amazon Redshift
DevOps
Git
AWS
AWS Lambda
Amazon S3
Linux
Unix
Analytics
ETL/ELT
Apply
≈ $16k – $41k per year (Estimated) • In office • 4+ years exp • Karachi
SQL
Databases
PostgreSQL
Oracle
Amazon Redshift
DevOps
Git
AWS
AWS Lambda
Amazon S3
Linux
Unix
Analytics
ETL/ELT
Apply
Incident Manager III 10 months ago
≈ $93k – $179k per year (Estimated) • In office • Full-Time • 5+ years exp • High School Diploma • Arlington
Apply
Incident Manager III 11 months ago
≈ $94k – $180k per year (Estimated) • In office • Full-Time • 5+ years exp • Arlington
SQL
DevOps
Incident Management
Cybersecurity
Defense in Depth
Apply
$175k – $196k per year • In office • Full-Time • 14+ years exp • Bachelor's Degree • Columbia
Cybersecurity
Zero Trust
Apply
$193k – $216k per year • In office • Full-Time • 4+ years exp • Bachelor's Degree • Columbia
Apply
$216k – $241k per year • In office • Full-Time • Bachelor's Degree • Fort Meade
Python
Java
AI/ML
Prompt Engineering
LLM
DevOps
AWS
Docker
Kubernetes
Analytics
Tableau
Power BI
Apache NiFi
Apply
$110k – $119k per year • In office • Secret • Full-Time • Bachelor's Degree • Arlington
Apply
Software Engineer II 7 hours ago
$106k – $169k per year • In office • Full-Time • Bachelor's Degree • Arlington
Python
JavaScript
Java
TypeScript
Java
Spring Boot
Databases
Databricks
Apache Kafka
AI/ML
Spark
Flink
Frontend
Angular
DevOps
CI/CD
AWS
Apply
$52k per year • In office • 2+ years exp • High School Diploma • Arlington
Apply
$81k – $108k per year • In office • 4+ years exp • Bachelor's Degree • Arlington
Marketing
Salesforce
Apply
Financial Analyst 10 hours ago
≈ $61k – $128k per year (Estimated) • In office • Nationals only • Full-Time • 3+ years exp • Bachelor's Degree • Arlington
Analytics
Microsoft Excel
Apply
See all jobs
This is one of many
1,959,972 more open roles from verified company boards, updated every day.