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60 Mantech Principle Software Engineer Jobs Hiring in MD

ManTech

Software Engineer

Fort George G Meade, MD

MANTECH seeks a motivated, career and customer-oriented Software Engineer to join our team in Fort Meade, MD. The Software Engineer will leverage their strong technical background and knowledge to ...

ManTech

Software Engineer

Fort George G Meade, MD

$141.50K - $236K/yr

MANTECH seeks a motivated, career and customer-oriented Software Engineer to join our team in Fort Meade, MD . The Software Engineer will leverage their strong technical background and knowledge to ...

ManTech

Software Engineer

California, MD · On-site

$104.20K - $172.90K/yr

MANTECH seeks a motivated, career and customer-oriented Software Engineer to join our team in California, MD . This is a 100% onsite position. This opportunity is ideal for candidates with a ...

ManTech

Software Engineer

Fort George G Meade, MD

$141.50K - $236K/yr

MANTECH seeks a motivated, career and customer-oriented Software Engineer to join our team in Fort Meade, MD . The Software Engineer will leverage their strong technical background and knowledge to ...

ManTech

Software Engineer

Fort George G Meade, MD

$76.80K - $128.30K/yr

MANTECH seeks a motivated, career and customer-oriented Software Engineer to join our team in Fort Meade, MD. As a Software Engineer, you'll use your coding skills to help build and fix software. You ...

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Showing results 21-40

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ManTech Jobs Information

Does ManTech pay people when they’re sick?

Sometimes. Only some people get paid when they’re sick.
42% of people say they wouldn’t get paid if they were sick but scheduled to work.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.

At ManTech, are sick days and vacation days separate paid time off?

Only some people have separate paid time off for sick days and vacation.
50% of people say they have to use vacation days when they’re out sick.
Based on data from 10 people who took the Breakroom Quiz between June 2025 and April 2026.

Do people get paid time off at ManTech?

Most people get paid time off work.
100% of people say they get paid time off.
Based on data from 10 people who took the Breakroom Quiz between June 2025 and April 2026.

How easy is it to get time off at ManTech?

Most people find it easy to get time off.
100% of people report it’s easy to get time off.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

How easy is it to take sick days at ManTech?

Most people find it easy to take sick days.
100% of people report that it’s easy to take time off if they are sick.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people at ManTech feel treated with respect by their managers?

Most people feel treated with respect by their managers.
92% of people say they’re treated with respect by their managers.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people at ManTech get to take their breaks without interruption?

Most people get breaks without interruption.
83% of people report that they get to take their breaks without interruption.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.

Is it stressful to work at ManTech?

Some people feel stressed out here.
50% of people say they often feel stressed out at work.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people at ManTech recommend working with their team?

Most people recommend working with their team.
77% of people report that they would recommend working with their immediate team to a friend.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people get enough training when they start at ManTech?

Some people didn’t get enough training when they started.
46% of people report they didn’t get enough training when they started working here.
Based on data from 13 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people get support to advance at ManTech?

Only some people are given support to advance their career here.
In the last year, 36% of people report not being given support to advance their career here.
Based on data from 11 people who took the Breakroom Quiz between December 2024 and April 2026.

Do people think ManTech’s headquarters understands what’s happening where they work?

Most people think headquarters doesn’t understand what’s happening where they work.
75% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.

Do workers feel well informed about how ManTech is doing?

Most people feel well informed about how the company is doing.
67% of people feel that they are kept well informed about how the company is doing as a whole.
Based on data from 12 people who took the Breakroom Quiz between December 2024 and April 2026.
What are the most popular jobs at Mantech in Maryland?
Infographic showing various Principle Software Engineer job openings at Mantech in Maryland as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% Physical job distribution.
Expert CNO Software Engineer

Expert CNO Software Engineer

ManTech International

Hanover, MD • On-site

$141.50K - $236K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 3 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

31st of 184 rated software companies

Job description

General information
Requisition #
R65993
Locations
USA-MD-Hanover
Posting Date
02/10/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!
MANTECH seeks a highly technical and mission-focused Expert CNO Software Engineer to join our team in Hanover, MD.
In this role, you will develop advanced CNO capabilities that directly support national security. You'll work in a collaborative environment focused on solving complex technical challenges in support of our customer's most critical missions.
Responsibilities include but are not limited to:
  • Design and develop new hardware- or software-based CNO capabilities
  • Manage the design, development, documentation, testing, and debugging of applications software and systems
  • Apply expert knowledge of security concepts and network technologies
  • Develop data queries for existing or proposed databases or data repositories
  • Develop or implement algorithms to meet or exceed system performance and functional standards

Minimum Qualifications:
  • BS Degree in a technical discipline and 20+ years of technical work experience or High School Diploma and 24+ years of technical work experience
  • Experience in Python or C/C++ programming
  • Experience with troubleshooting and debugging complex systems
  • Experience with low-level system internals across one or more platforms (e.g., Windows, Unix, Mobile, or network devices)
  • Experience with networking protocols (TCP/IP) and socket-level programming
  • Experience with developing CNO capabilities
  • Experience with managing and leading the development of technical CNO solutions and development teams

Preferred Qualifications:
  • Experience with programming in assembly languages
  • Experience in software analysis or reverse engineering
  • Experience with unit testing frameworks and practices
  • Experience using Atlassian tools (JIRA, Confluence, Crucible)

Clearance Requirements:
  • Must have a current/active TS/SCI w/Polygraph security clearance and be willing and able to obtain another polygraph prior to start, if required

Physical Requirements:
  • Must be able to remain in a stationary position 50% of the time

The projected compensation range for this position is $141,500.00-$236,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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