Annapolis Junction, Maryland, United States · On-site
$74k–$153k/yr
Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership,…
Skills: Systems Engineering, Software Development, Electrical Engineering, Labview, Technical Writing
Annapolis Junction, Maryland, United States · On-site
Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership,…
Skills: RF Analysis, Spectrum Analysis, C4I Systems, C5ISRT Architecture, All-Source Analysis
Annapolis Junction, Maryland, United States · On-site
$74k–$153k/yr
Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership,…
Skills: Signal Processing, RF Analysis, Spectrum Analysis, C4I Systems, C5ISRT Architecture
Annapolis Junction, Maryland, United States · On-site
Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership,…
Skills: Chinese Language Proficiency, SIGINT Operations, Translation, Transcription, Open-Source Data Mining
Annapolis Junction, Maryland, United States · On-site
$74k–$153k/yr
Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership,…
Skills: Chinese Language Proficiency, SIGINT Operations, Translation, Transcription, Intelligence Analysis
Annapolis Junction, Maryland, United States · On-site
$74k–$153k/yr
Company Description Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership,…
Skills: Russian Language Proficiency, SIGINT Operations, Translation, Transcription, Open-Source Intelligence
Annapolis Junction, Maryland, United States · On-site
$80k–$165k/yr
A day in the life: We are seeking a detail-oriented Test Engineer to support the verification, validation, and continuous improvement of mission-critical geospatial applications and Java-based microservices that enable a…
Skills: Python, Java, Automated Testing, Manual Testing, CI/CD
Annapolis Junction, Maryland, United States · On-site
$85k–$150k/yr
A day in the life: We are seeking a motivated Software Engineer to support the design, development, integration, and sustainment of mission-critical geospatial applications and Java-based microservices that enable advanc…
Skills: Java, Microservices, Git, Relational Databases, NoSQL
Annapolis Junction, Maryland, United States · On-site
$69k–$158k/yr
Embedded Developer The Opportunity: As an embedded software engineer, you know how to create and maintain crucial pieces of software. You use your knowledge to write and optimize code that creates a bridge between pieces…
Skills: C, Virtual Environments, Linux Development, Software Reverse Engineering, Assembly Language
Annapolis Junction, Maryland, United States · On-site
$57/hr–$78/hr
At Wyetech, you’ll be at the center of an award-winning corporate culture, breaking technological barriers and solving real-world problems for our federal government customers. We are committed to hiring the best of the …
Skills: SIGINT Reporting, Target Analysis, Intelligence Synthesis, Network Evaluation, Intelligence Community Drafting
Annapolis Junction, Maryland, United States · On-site
$110k–$125k/yr
Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an…
Skills: All-Source Analysis, Intelligence Production, Cyber Threat Categorization, Malware Analysis, Target Development
Annapolis Junction, Maryland, United States · On-site
$120k–$140k/yr
Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an…
Skills: Farsi Language Proficiency, Translation, Transcription, Socio-Cultural Analysis, Geopolitical Analysis
Annapolis Junction, Maryland, United States · On-site
$120k–$140k/yr
Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an…
Skills: Russian Language Proficiency, Translation, Transcription, Socio-Cultural Analysis, Geopolitical Analysis
Annapolis Junction, Maryland, United States · On-site
$110k–$125k/yr
Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an…
Skills: All-source Analysis, Counterintelligence, Intelligence Forecasting, Threat Assessment, DOD Processes
Annapolis Junction, Maryland, United States · On-site
$78k–$176k/yr
Asset Manager and Network Engineer The Opportunity: A well-designed network is critical to move data and enable organizations to achieve their missions, but how can an organization make sure their network will fit their …
Skills: Network Design, Network Architecture, Asset Management, Router Configuration, Switch Configuration
Annapolis Junction, Maryland, United States · On-site
$120k–$140k/yr
Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an…
Skills: Chinese Language Proficiency, Translation, Transcription, Socio-Cultural Analysis, Geopolitical Analysis
Annapolis Junction, Maryland, United States · On-site
$69k–$158k/yr
Embedded Developer The Opportunity: As an embedded software engineer, you know how to create and maintain crucial pieces of software. You use your knowledge to write and optimize code that creates a bridge between pieces…
Skills: C++, Java, Python, Pytest, Assembly Language
Annapolis Junction, Maryland, United States · On-site
$92k–$167k/yr
Leidos has a new and exciting opportunity for a Senior Network Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network…
Skills: Network Administration, Router Troubleshooting, Switch Configuration, Firewall Management, Network Hardware Design
Annapolis Junction, Maryland, United States · On-site
At Wyetech, you’ll be at the center of an award-winning corporate culture, breaking technological barriers and solving real-world problems for our federal government customers. We are committed to hiring the best of the …
Skills: SIGINT Development, Target Development, Critical Thinking, Data Analysis, Voice Communications
Annapolis Junction, Maryland, United States · On-site
🔒 Clearance & Citizenship Requirements This position requires U.S. Citizenship and an active TS/SCI security clearance with Full Scope Polygraph. Candidates who do not currently hold these credentials will not be consid…
Skills: Kubernetes, ECS, AWS, GenAI, Risk Management Framework
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Develop creative technical solutions for communications equipment and create hardware/software prototypes and emulators. Conduct testing, write detailed technical reports, and develop custom data processing tools using Python and C++.
Requires an active TS/SCI with CI Polygraph and at least 5 years of experience in systems, electrical, and software engineering. Must have expertise in C4I/C5ISRT missions and specific frequency spectrums (UHF, HF, ELF).
Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.
Overview
SOSi is seeking a Systems Engineer C4l and/or C5ISRT experience to support a government program in Annapolis Junction, Maryland. This position will support a multi-functional team and requires both strong technical and collaborative skills. Extensive on the job training will be required and the ideal candidate will embrace the knowledge transfer process.
Essential Job Duties
Minimum Requirements
Preferred Qualifications
All interested individuals will receive consideration and will not be discriminated against for any reason.
Challenge Accepted
Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private, founder-led defense and government solutions firm specializing in advanced technology systems and mission support. Our capabilities span data science, software development, network engineering, intelligence, surveillance and reconnaissance (ISR), language services, and logistics—delivered across 16+ countries to the customers who need them most. We lead with technology. From the DoW's largest data-centric, Zero Trust mission partner network to AI-powered intelligence platforms and cloud-native solutions, SOSi engineers the systems that enable U.S. and allied forces to operate, decide, and win. More than 25% of our workforce are veterans—because this mission is personal. Where others see the size of the challenge, we say #ChallengeAccepted -- Fraud Alert: Recruitment fraud is a growing trend where fraudsters impersonate SOSi and its employees to deceive job seekers with fake employment opportunities. These scams typically involve fake job postings, unauthorized email accounts, or forged documents claiming to be from SOSi. The intent is to gain access to your personal information, including banking details, credit card numbers, or social security numbers. Please be aware that all legitimate SOSi communications come from official @sosi.com or @sosi.us email addresses, and we never request personal information during initial contact. Our official careers site can be found at sosi.com/careers and our corporate site at sosi.com. If you receive a suspicious job offer claiming to be from SOSi, contact us directly at [email protected] to verify its legitimacy.
Offices: 1881 Campus Commons Drive, Suite 500, Reston, Virginia 22191, US
Based on 421 listings with disclosed salaries, most security & safety jobs in Annapolis Junction, MD pay between $95k–$260k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 507 open security & safety positions in Annapolis Junction, MD listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Captivation, General Dynamics Information Technology, NetSage, Wyetech, LLC, GliaCell Technologies, among others. Browse the listings above to see every active employer.
Yes — 58 of the 507 open security & safety positions offer remote or hybrid work (2 remote, 56 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
