Information Systems Security Manager, Senior

Information Systems Security Manager Senior

Security Clearance Requirement: Current and Active DoD Top Secret
Salary Range: $120K $170K
(The salary range provided is a general guideline. Nexagen Networks considers various factors when determining base salary offers including the scope and responsibilities of the position as well as the candidates experience education skills and current market conditions.)

As the Information Systems Security Manager (ISSM) you will join a high-performing team dedicated to excellence innovation and mission-critical support. At Nexagen you will play a vital role in protecting sensitive systems and ensuring cybersecurity compliance across DoD environments. With outstanding benefits and strong growth opportunities you will thrive in a collaborative and forward-thinking environment while contributing directly to national security missions. Leverage over two decades of industry expertise to drive secure compliant and resilient solutions across diverse government sectors.

Nexagen Networks is a trusted partner to the Department of Defense (DoD) and other federal agencies including the Army Air Force Marine Corps Navy and DHS. With more than 20 years of industry expertise we deliver exceptional lifecycle professional services spanning Research and Development Cloud Engineering Digital Modernization Systems and Software Engineering DevSecOps ITSM Cybersecurity Satellite Communication (SATCOM) RMF-FedRAMP Logistics Training Exercises COMSEC and IT/Networking.

Job Description

Nexagen Networks is seeking a skilled Information Systems Security Manager (ISSM) to plan direct and oversee cybersecurity activities supporting mission-critical DoD systems. This role is responsible for managing cybersecurity risk supporting system authorization and accreditation efforts and ensuring compliance with DoD security policies and standards. The ISSM will work closely with engineering program management and government stakeholders to maintain the confidentiality integrity and availability of information systems operating in regulated environments.

The ideal candidate will possess strong cybersecurity leadership experience a deep understanding of security controls and assessment processes and the ability to operate effectively across complex enterprise environments.

Position Responsibilities

Perform vulnerability and risk assessment analysis to support Wideband Control software cybersecurity audits system accreditation and program protection activities
Conduct technical evaluations of information system designs with a focus on security controls and accreditation requirements
Monitor evaluate and maintain systems and procedures to safeguard information systems networks and databases
Interpret assess and apply Security Technical Implementation Guides (STIGs)
Perform duties as an Assured Compliance Assessment Solution (ACAS) administrator
Review subsystem cybersecurity documentation to ensure compliance and accuracy
Support ongoing RMF activities and continuous monitoring efforts
Travel is required

Qualifications

Current and active DoD Top Secret clearance
46 years of professional cybersecurity experience
Strong knowledge of hardware and software installation testing and operations
Experience with Active Directory Group Policy and Domain Name System (DNS)
Hands-on experience with Assured Compliance Assessment Solution (ACAS)
Understanding of Host Based Security System (HBSS)
Knowledge of IP networking switches and network security fundamentals
Experience implementing and interpreting Security Technical Implementation Guides (STIGs)
Excellent written and verbal communication skills
Strong analytical and problem-solving abilities
Ability to reprioritize tasks quickly and clearly communicate the impact of change
Quick learner who is creative resourceful and capable of working independently and as part of a team

Desired Qualifications
Bachelors degree in a related field
Prior DoD experience or military training
DISA certification for Assured Compliance Assessment Solution (ACAS)

Company Benefits

At Nexagen we believe in taking care of our team from day one. We offer comprehensive benefits including health dental and vision insurance generous paid time off a matching 401(k) and a variety of support programs. Professional development opportunities and additional perks are provided to ensure you thrive both personally and professionally. Benefits begin on your first day of employment.

Our Culture

Join our dynamic team and thrive in a culture that values flexibility professional growth and work-life balance. Nexagen supports continuous learning through training and educational reimbursement celebrates achievements and fosters a collaborative environment where your contributions directly impact customer success and mission outcomes.

The application period for this position is estimated to be 20 days from the job posting date; however this timeline may be shortened or extended based on business needs and candidate availability.

Nexagen Networks Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity national origin disability or veteran status.