Core One
coreone.com
Actively hiring
Intelligence
Homeland Security
National Security
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Technologies
Salaries
Products
People
Growth
Offices
Jobs
Financials
How Core One hires
Truth index
A 86/100
Median time to fill
67 days
Ghost roles
0%
Stale roles
37%
Reposted roles
0%
Core One scores A on the Alion truth index (A is best, E worst), measured over 41 open roles re-checked against its own hiring board: 0% look like ghost listings, 37% have gone stale and 0% are the same role posted again. Its roles close in a median of 67 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
Overview
Core One is a defense solutions contractor providing analytical, operational, and technical services to the defense and intelligence sectors. Headquartered in Sterling, Virginia, the company delivers specialized consulting, intelligence analysis, systems engineering, and operational logistics for the U.S. national security community. Through its security subject matter expertise and tactical support capabilities, the enterprise assists government agencies in addressing complex mission requirements and evolving national defense threats.
Tech stack
Technologies named in job postings at Core One over the last 12 months, by layer, with the share of postings for each.
Technologies in use
53
Postings analysed
28
Stack modernity
69/100
Languages
Python39%
SQL18%
PowerShell14%
Java11%
Frameworks & libraries
PostGIS7%
Gensim4%
Pandas4%
Scikit-learn4%
Databases
MS SQL7%
PostgreSQL7%
ElasticSearch4%
Cloud & platforms
Azure25%
AWS21%
Windows21%
Splunk14%
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Full Core One tech stack
53 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$135k
Typical range
$58k – $250k
Open positions
39
37
Jobs
Junior
13.5%
Middle
8.1%
Senior
32.4%
Staff
35.1%
Architect
10.8%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Junior | 5 | $80k | $58k – $150k |
| Middle | 3 | $104k | $95k – $125k |
| Senior | 12 | $170k | $104k – $225k |
| Staff | 13 | $135k | $88k – $250k |
| Architect | 4 | $215k | $215k |
Highest paying role
Requirements Integration Officer
$250k
Normalized to USD per year
All salaries at Core One
By role, level and city, against the market · 39 jobs with pay
Growth
Hiring Momentum
49/100
Stable
Open positions
67
8 opened / 1 closed in 30 days
Median time-to-fill
63 days
faster than 20% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
0%
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.
Solutions
49% ▼
Management
9% ▲
Data Science
8% ▲
Operations
8% ▲
Security
4% ▲
Analytics
4% ▼
Actively hiring for Solutions (+3 in 30 days)
Activity Timeline
New location: Springfield
Oct 2026
Added LinkedIn to stack
Oct 2026
Added TCP/IP to stack
Oct 2026
Added Hyper-V to stack
Oct 2026
Added ETL/ELT to stack
Oct 2026
New location: Arlington
Sep 2026
Added TensorFlow to stack
Sep 2026
Added Scikit-learn to stack
Sep 2026
Added Scala to stack
Sep 2026
Added Pandas to stack
Sep 2026
Added Gensim to stack
Sep 2026
Added Adobe Photoshop to stack
Sep 2026
Offices
Where the company hires and what each office is for
Cities
14
Hiring now
13
Countries
1
Busiest office
Sterling
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Headquarters
Builds here
Office with open vacancies
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Sterling
United States
HQ
Tyson's Corner, VA
12 open roles 9 posted in 90 days 8% engineering 200-500 est. staff $121k Avg Salary
hires for Solutions, Management, DevOps
Tampa
United States
Regional office
Tampa, FL
12 open roles 12 posted in 90 days 33% engineering 500-1000 est. staff
hires for Solutions, Operations, Data Science
Charlottesville
United States
Regional office
Other
12 open roles 12 posted in 90 days 8% engineering 200-500 est. staff $135k Avg Salary
hires for Solutions, Management, Data Science
McLean
United States
Support & operations
Tyson's Corner, VA
9 open roles 2 posted in 90 days 22% engineering 200-500 est. staff $193k Avg Salary
hires for Solutions, Security, Product
Gordon
United States
Regional office
Fort Gordon, GA
9 open roles 3 posted in 90 days 22% engineering 200-500 est. staff
hires for Solutions, Data Science, Management
Quantico
United States
Support & operations
Other
4 open roles 3 posted in 90 days 50% engineering 50-200 est. staff $96k Avg Salary
hires for Security, Support
Tysons
United States
Support & operations
Sterling, VA
4 open roles 50% engineering 10-50 est. staff $215k Avg Salary
hires for Data Science, Backend, Management
Honolulu
United States
Regional office
Honolulu, HI
2 open roles 2 posted in 90 days 50% engineering 50-200 est. staff $103k Avg Salary
hires for Frontend, Solutions
Springfield
United States
Sterling, VA
2 open roles 1 posted in 90 days 50-200 est. staff
hires for Solutions
Chantilly
United States
Support & operations
Sterling, VA
2 open roles 1 posted in 90 days 50% engineering 10-50 est. staff $220k Avg Salary
hires for Security, Management
Arlington
United States
1 open roles 1 posted in 90 days 50-200 est. staff $115k Avg Salary
hires for Communications
Stafford
United States
1 open roles 10-50 est. staff $58k Avg Salary
hires for Administrative
Williamsburg
United States
Support & operations
Sterling, VA
1 open roles 10-50 est. staff
hires for Management
Washington
United States
Regional office
Washington, DC
Earlier presence
Colorado Springs, United States
Jobs
$175k – $250k per year • In office • TS/SCI • 10+ years exp • Bachelor's Degree • McLean
Confluence
Agile
Apply
$70k – $80k per year • In office • TS/SCI • 2+ years exp • Bachelor's Degree • Quantico
ServiceNow
Apply
$70k – $95k per year • In office • Top Secret • 1+ year exp • High School Diploma • Sterling
VMWare
Hyper-V
Linux
Windows
TCP/IP
Apply
≈ $101k – $207k per year (Estimated) • In office • Secret • 4+ years exp • Bachelor's Degree • Sterling
Python
PowerShell
Windows
DNS
Cybersecurity
NIST 800-171
Active Directory
Defense
CMMC
Apply
≈ $102k – $201k per year (Estimated) • In office • TS/SCI • 10+ years exp • Master's Degree • Tampa
Python
SQL
Azure
AWS
Analytics
ETL/ELT
Apply
≈ $94k – $187k per year (Estimated) • In office • TS/SCI • 5+ years exp • Springfield
Apply
≈ $88k – $197k per year (Estimated) • In office • TS/SCI • Bachelor's Degree • Gordon
Apply
$100k – $104k per year • In office • TS/SCI • 3+ years exp • Bachelor's Degree • Quantico
ServiceNow
Apply
≈ $103k – $206k per year (Estimated) • In office • TS/SCI • 10+ years exp • High School Diploma • Springfield
Apply
≈ $94k – $188k per year (Estimated) • In office • TS/SCI • Bachelor's Degree • Gordon
MATLAB
SAS
SPSS
Apply
≈ $96k – $182k per year (Estimated) • In office • TS/SCI • Gordon
Python
Java
SQL
Scala
MATLAB
SAS
Scikit-learn
Gensim
TensorFlow
Pandas
Machine Learning
Apply
≈ $90k – $179k per year (Estimated) • In office • TS/SCI • 10+ years exp • High School Diploma • Tampa
Apply