GCI
gci.tech
Actively hiring
Cyber Warfare
Intelligence
National Security
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Products
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Offices
Jobs
Financials
How GCI hires
Truth index
B 75/100
Ghost roles
0%
Stale roles
100%
Reposted roles
0%
GCI scores B on the Alion truth index (A is best, E worst), measured over 9 open roles re-checked against its own hiring board: 0% look like ghost listings, 100% have gone stale and 0% are the same role posted again. 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
GCI is an American engineering and IT services company supporting national security and intelligence customers. Established in 1989, it provides data analytics, software development, cyber operations, targeting and analysis, operations and training, hiring cleared AI/ML engineers, software engineers and cyber analysts. The company is headquartered in Reston, Virginia, United States.
Tech stack
Technologies named in job postings at GCI over the last 12 months, by layer, with the share of postings for each.
Technologies in use
135
Postings analysed
29
Stack modernity
71/100AI adopter
Languages
Python59%
PowerShell31%
Bash28%
SQL28%
Frameworks & libraries
PyTorch14%
TensorFlow14%
Spring Boot10%
Angular10%
Databases
MySQL24%
ElasticSearch21%
Oracle14%
PostgreSQL14%
Cloud & platforms
Linux52%
AWS38%
Windows31%
Kubernetes24%
AI & ML
LLM3%
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Full GCI tech stack
135 technologies · by team · pay by technology · changes · similar stacks
Salary insights
Compensation ranges based on this company's open jobs
Median
$236k
Typical range
$77k – $318k
Open positions
42
29
Jobs
Intern
17.2%
Middle
6.9%
Senior
13.8%
Staff
27.6%
Principal
31%
Architect
3.4%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Intern | 5 | $77k | $77k |
| Middle | 2 | $187k | $136k – $238k |
| Senior | 4 | $192k | $139k – $234k |
| Staff | 8 | $214k | $160k – $318k |
| Principal | 9 | $207k | $180k – $238k |
| Architect | 1 | $275k | $275k |
Highest paying role
Software Engineer SME (TS/SCI with Poly Required)
$318k
Normalized to USD per year
All salaries at GCI
By role, level and city, against the market · 42 jobs with pay
Growth
Hiring Momentum
34/100
Slowing
Open positions
43
0 opened / 0 closed in 30 days
Median time-to-fill
3 days
faster than 90% of the market
ATS activity
Every ~4 hours
Today
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.
Security
20% ▼
Backend
18% ▲
DevOps
13%
Operations
13% ▼
Networking
10% ▲
AI/ML
5% ▲
Actively hiring for Backend (+5 in 30 days)
Offices
Where the company hires and what each office is for
Cities
7
Hiring now
7
Countries
1
Busiest office
Reston
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Headquarters
Builds here
Office with open vacancies
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Reston
United States
HQ
11 open roles 10 posted in 90 days 64% engineering 500-1000 est. staff $154k Avg Salary
hires for Networking, DevOps, Operations
Chantilly
United States
Engineering / R&D
23 open roles 21 posted in 90 days 78% engineering 1000-5000 est. staff $228k Avg Salary
hires for Security, Operations, Backend
McLean
United States
Engineering / R&D
5 open roles 4 posted in 90 days 80% engineering 200-500 est. staff $241k Avg Salary
hires for Security, AI/ML, Data Science
Tysons
United States
Engineering / R&D
4 open roles 4 posted in 90 days 75% engineering 50-200 est. staff $223k Avg Salary
hires for Data Science, Hardware, Security
Herndon
United States
Regional office
3 open roles 3 posted in 90 days 33% engineering 50-200 est. staff $231k Avg Salary
hires for DevOps, Operations, Education
Dulles
United States
Engineering / R&D
3 open roles 1 posted in 90 days 100% engineering 50-200 est. staff $304k Avg Salary
hires for Backend
Warrenton
United States
1 open roles 1 posted in 90 days 100% engineering 10-50 est. staff $238k Avg Salary
hires for Networking
Jobs
$143k – $238k per year · In office · TS/SCI · Full-Time · Bachelor's Degree · Chantilly
Python
JavaScript
SQL
Ruby
PowerShell
Bash
Perl
MySQL
PostgreSQL
Oracle
AI/ML
TensorFlow
PyTorch
Machine Learning
Frontend
GraphQL
DevOps
Rest API
VMWare
Azure
CI/CD
AWS
Docker
Kubernetes
Ubuntu
Amazon EC2
Hyper-V
CentOS Stream
Amazon S3
IAM
Linux
Windows
FreeBSD
VPN
Wi-Fi
Cybersecurity
Wireshark
Nmap
Nessus
Tcpdump
Qualys Cloud Platform
BloodHound
OpenVAS
CIS Benchmarks
OWASP Top 10
SBOM
PingCastle
Active Directory
LDAP
Energy
DNP3
Apply
$143k – $238k per year · In office · TS/SCI · Full-Time · McLean
Figma
Management
Agile
Apply
$187k – $318k per year · In office · TS/SCI · Full-Time · McLean
Python
SQL
Flask
AI/ML
Scikit-learn
ONNX
Transformers
TensorFlow
Keras
PyTorch
LLM
Explainable AI
Hugging Face
Semantic Search
Machine Learning
DevOps
Jenkins
GitHub
Analytics
Tableau
MedTech
Verification & Validation
Apply
$143k – $238k per year · In office · TS/SCI · Full-Time · Bachelor's Degree · Tysons
AWS
Configuration Management
Amazon EC2
Amazon S3
Apply
$164k – $275k per year · In office · TS/SCI · Full-Time · 8+ years exp · Bachelor's Degree · Chantilly
JavaScript
TypeScript
Node JS
ElasticSearch
Frontend
Angular
Sass
DevOps
Git
Linux
Management
Agile
Apply
$164k – $275k per year · In office · TS/SCI · Full-Time · Reston
VPN
BGP
OSPF
MPLS
Apply
$143k – $238k per year · In office · TS/SCI · Full-Time · Reston
PowerShell
Splunk
VMWare
Windows Server
Ubuntu
KVM
Hyper-V
Linux
Windows
Cybersecurity
Active Directory
PKI
Apply
$46k – $77k per year · In office · Top Secret · Internship · Reston
Python
SQL
PowerShell
Bash
Machine Learning
DevOps
Linux
Windows
Apply
$46k – $77k per year · In office · Top Secret · Internship · Reston
Python
SQL
PowerShell
Bash
Machine Learning
DevOps
Linux
Windows
Apply
$46k – $77k per year · In office · Top Secret · Internship · Reston
Python
Java
PowerShell
C++
Machine Learning
Apply
$46k – $77k per year · In office · Top Secret · Internship · Reston
Python
PowerShell
Machine Learning
DevOps
CI/CD
Apply
$83k – $139k per year · In office · TS/SCI · Full-Time · 5+ years exp · Tysons
Linux
Windows
Apply