ARSIEM
IT Consulting & Digital Transformation · National Security
55open roles
$214kmedian advertised pay
Growinghiring pace, 69 of 100
112 daysmedian time a role stays open
Overview
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.
Key facts
As of Nov 13, 2026, Alion lists 55 open roles at ARSIEM. ARSIEM is headquartered in Baltimore, United States. It was founded in 2013. The median pay stated in its open roles is $214k, across 21 postings that state pay.
- Open roles
- 55Its careers board, read on Nov 12, 2026
- Headquarters
- Baltimore, United StatesAlion company profile, updated Nov 12, 2026
- Founded
- 2013Alion company profile, updated Nov 12, 2026
- Employees
- 50+Alion company profile, an estimated range
- Median advertised pay
- $214kPay stated in 21 open postings
- Technologies in its job postings
- 133Named in its job postings
How ARSIEM hires
Truth index
B 73/100
Median time to fill
112 days
Ghost roles
36%
Stale roles
0%
Reposted roles
0%
ARSIEM scores B on the Alion truth index (A is best, E worst), measured over 55 open roles re-checked against its own hiring board: 36% look like ghost listings, 0% have gone stale and 0% are the same role posted again. Its roles close in a median of 112 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Jobs
In office · Full-Time · 10+ years exp · Bachelor's Degree · Arlington
Python
PowerShell
Machine Learning
DevOps
Splunk
Linux
Windows
Cybersecurity
Crowdstrike
SentinelOne
Microsoft Defender
Cortex XDR
MITRE ATT&CK
SIEM
Apply
In office · Full-Time · 2+ years exp · Bachelor's Degree · Arlington
Splunk
Windows
TCP/IP
DNS
Wi-Fi
Cybersecurity
Wireshark
MITRE ATT&CK
Defense in Depth
Apply
Apply
$230k – $257k per year · In office · Full-Time · 4+ years exp · Bachelor's Degree · Annapolis Junction
Python
JavaScript
TypeScript
Ruby
Bash
HBase
Apache Solr
AI/ML
Hadoop
Frontend
Angular
DevOps
Rest API
ZooKeeper
Red Hat
VMWare
AWS
Configuration Management
VirtualBox
CentOS Stream
Linux
Unix
Cybersecurity
PKI
Apply
$193k – $216k per year · In office · Full-Time · 4+ years exp · Bachelor's Degree · Annapolis Junction
Java
MongoDB
Apache Kafka
DevOps
AWS
Apply
$193k – $216k per year · In office · Full-Time · 4+ years exp · Bachelor's Degree · Annapolis Junction
Java
Spring Boot
Databases
MongoDB
Apache Kafka
DevOps
CI/CD
Docker
Kubernetes
Apply
$171k – $191k per year · In office · Full-Time · 10+ years exp · Bachelor's Degree · Annapolis Junction
Bash
MongoDB
Oracle
DevOps
Linux
Apply
≈ $66k – $123k per year (Estimated) · In office · Full-Time · 2+ years exp · Bachelor's Degree · Pensacola
Python
Snort
Apply
≈ $71k – $144k per year (Estimated) · In office · Full-Time · 3+ years exp · Bachelor's Degree · Arlington
VMWare
VPN
Apply
≈ $129k – $238k per year (Estimated) · In office · Full-Time · 10+ years exp · Bachelor's Degree · Arlington
Python
Assembly
Binary Ninja
Cybersecurity
Ghidra
IDA Pro
IoT
Matter
Apply
≈ $94k – $179k per year (Estimated) · In office · Full-Time · 5+ years exp · Bachelor's Degree · Arlington
SQL
MITRE ATT&CK
SIEM
Apply
≈ $101k – $198k per year (Estimated) · In office · Full-Time · 8+ years exp · Bachelor's Degree · Dulles
Python
JavaScript
Java
SQL
Node JS
Hibernate
Databases
MySQL
Mobile
JUnit
DevOps
GCP
Azure
CI/CD
Jenkins
Git
AWS
GitHub
GitLab
Linux
Unix
Management
Agile
Scrum
QA
Pytest
Apply
Salary insights
Compensation ranges based on this company's open jobs
Median
$214k
Typical range
$114k – $257k
Open positions
21
19
Jobs
Junior
5.3%
Middle
31.6%
Senior
15.8%
Staff
10.5%
Principal
26.3%
Architect
10.5%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 1 | $115k | $115k |
| Middle | 6 | $216k | $118k – $257k |
| Senior | 3 | $185k | $145k – $214k |
| Staff | 2 | $149k | $114k – $183k |
| Principal | 5 | $241k | $223k – $241k |
| Architect | 2 | $218k | $196k – $239k |
Highest paying role
665 Cloud Software Engineer 3
$257k
Normalized to USD per year
All salaries at ARSIEM
By role, level and city, against the market · 21 jobs with pay
Growth
Hiring Momentum
69/100
Growing
Open positions
55
8 opened / 8 closed in 30 days
Median time-to-fill
113 days
faster than 10% of the market
ATS activity
Every ~6 hours
Today
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
41% ▼
Security
15% ▲
AI/ML
7% ▼
DevOps
7% ▼
Analytics
7% ▲
Science & Research
7% ▼
Actively hiring for Backend (+4 in 30 days)
Activity Timeline
Added ZooKeeper to stack
Nov 2026
Added VirtualBox to stack
Nov 2026
Added Ruby to stack
Nov 2026
Added HBase to stack
Nov 2026
Added CentOS Stream to stack
Nov 2026
Added Apache Solr to stack
Nov 2026
Added SentinelOne to stack
Nov 2026
Added Microsoft Defender to stack
Nov 2026
Added Cortex XDR to stack
Nov 2026
Added MongoDB to stack
Nov 2026
New location: Dulles
Oct 2026
Added Matter to stack
Oct 2026
Tech stack
Technologies named in job postings at ARSIEM over the last 12 months, by layer, with the share of postings for each.
Technologies in use
133
Postings analysed
51
Stack modernity
80/100AI adopter
Languages
Python61%
Java20%
JavaScript20%
C++12%
Frameworks & libraries
React.js8%
Vue.js8%
Angular6%
Hadoop6%
Databases
ElasticSearch12%
MongoDB6%
Oracle4%
Amazon Redshift2%
Cloud & platforms
AWS31%
Kubernetes29%
Linux22%
GitLab12%
AI & ML
LLM12%
Claude2%
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Full ARSIEM tech stack
133 technologies · by team · pay by technology · changes · similar stacks
Offices
Where the company hires and what each office is for
Cities
7
Hiring now
6
Countries
1
Busiest office
Arlington
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Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
Baltimore
United States
HQ
Arlington
United States
Engineering / R&D
25 open roles 9 posted in 90 days 96% engineering 10-50 est. staff
hires for Analytics, Security, Science & Research
Pensacola
United States
Corporate office
12 open roles 1 posted in 90 days 8% engineering 1-10 est. staff
hires for Education, Analytics
Fort Meade
United States
Engineering / R&D
9 open roles 5 posted in 90 days 100% engineering 10-50 est. staff $171k Avg Salary
hires for Backend, Mobile
Annapolis Junction
United States
Engineering / R&D
7 open roles 5 posted in 90 days 100% engineering 10-50 est. staff $217k Avg Salary
hires for Backend, AI/ML, Data Science
Columbia
United States
Regional office
6 open roles 2 posted in 90 days 50% engineering 10-50 est. staff $202k Avg Salary
hires for Product, Security, AI/ML
Dulles
United States
Engineering / R&D
2 open roles 2 posted in 90 days 100% engineering 1-10 est. staff
hires for Backend
Earlier presence
Linthicum Heights, United States
Laurel, United States
Monterey, United States
How to cite this page
Alion, "ARSIEM: key facts", as of Nov 13, 2026. https://alion.io/company/arsiem
These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0