Weekend Software Jobs in Charleston, SC (NOW HIRING)

Job#: 3033628
Job Description:
Software Engineer - Onsite in Charleston, SC
Clearance: Secret (with ability to obtain Top Secret/SCI)
Location: Charleston, SC (Onsite)
Travel: 5%
Overview
Apex Systems is seeking a Software Engineer to support a high-visibility defense program involving tactical radio systems, waveform integration, and enterprise software solutions. This role requires hands-on engineering, scripting, system administration, and collaboration with cross-functional technical teams in a mission-focused environment.
Qualifications
Education & Training

• Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems
• CompTIA Security+ Certification

Clearance

• Active Secret clearance required, with the ability to obtain Top Secret/SCI

Travel

• 5%, with ability to travel internationally (valid passport required)

Experience

• Three (3) years of relevant experience with practical application in software engineering or related technical fields

Required Skills

• Knowledge of the USMC Radio Family of Systems (FoS), including AN/PRC-117G/158/163/167, ARC-210, and MRC/VRC variants
• Familiarity with waveforms such as MUOS, VULOS, ANW2C, HF, SATURN, and SINCGARS
• Basic understanding of PowerShell, C++, Java, CSS, HTML, BAT file construction, or equivalent radio programming/software development tools
• Experience administering Windows and Linux environments
• Hands-on experience installing, operating, and troubleshooting radio communications software (e.g., CPA, JENM, ATOM, SPEED, ACES/JACS)
• Ability to deploy, modify, and operate computer images, software, and applications, including identifying and troubleshooting deficiencies
• Experience with script development, management, and installation
• Background in developing software and script installation guides
• Ability to work effectively in a dynamic, team-oriented, mission-driven environment
• Understanding of Agile, Scrum, or Kanban project management methodologies

Responsibilities

• Collaborate with internal and external stakeholders to support software development activities and resolve technical challenges
• Support waveform-related software development processes, including threat-mitigation practices and vendor coordination
• Assist in researching and implementing enterprise-level software solutions aligned with mission objectives
• Analyze radio/software system data to identify capability gaps, vulnerabilities, and recommended solutions
• Support network configuration and asset management, including documentation updates for as-is and to-be environments
• Conduct interoperability testing and verification of current and future authorized software/hardware configurations
• Develop scripts for automation, testing, and verification of software and hardware within the Waveforms Project
• Integrate tactical radios and waveforms to support testing of radio equipment, applications, and secure network architectures
• Install, operate, and troubleshoot radio communications software (CPA, JENM, ATOM, SPEED, ACES/JACS, etc.)
• Provide progress updates and contribute to technical proposal development related to radio programming and software development tools

EEO Employer
Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application process. Click for more details. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.
If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at or . Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.
UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click for more details.
Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.