Job Title: ISSO II
Work Location: Hybrid; Arlington, VA.
Clearance Required: DHS Public Trust EOD, US Citizen

Alpha Omega is searching for an Information System Security Officer (ISSO) II to support a government customer. The primary responsibilities for the position are to support all activities that ensure the level of security documented with the security authorization is maintained at an acceptable level of risk. The nature of the work requires that the candidate demonstrates initiative, organization, responsibility, customer service skills, and the ability to be flexible and adaptive to a fast-paced, fluid business environment. The candidate must be able to communicate effectively and decisively with all levels of the organization and be able to solve practical problems as well as exercise sound judgement with regards to sensitive and confidential information.

Key Responsibilities:

Proactively create, monitor and update the status of POA&Ms to ensure weaknesses are resolved in accordance with their scheduled completion dates.
Create of Waivers or Risk Acceptance Memos to assist in the effective management of system risks.
Conduct an annual assessment in accordance with guidance in the DHS Information Security Performance Plan.
Review and update security authorization documents as needed, but at least annually.
Conduct Contingency Plan tests at least annually and update the plan.
Perform system self-assessments as part of the customer's Ongoing Authorization program.
Monitor and respond to Information Security Vulnerability Management (ISVM)/Patch Management.
Provide audit support for assigned systems (Financial, A-123, FISMA, internal, DHS, etc.), throughout the audit (Pre, During, and Post Audit).
Maintain knowledge of inventory in accreditation boundary.
Devise a plan to certify and accredit their assigned Information system or information systems.
Respond to emerging requirements or policies as set by legislation, regulation or policy.
Participate in DevOps Sec (security integrated into Agile processes) requirements for assigned systems.
Support the review and update security authorization documents as needed, but at least annually
Help coordinate with Privacy, Records, and Information Governance Divisions related to compliance documentation and other requirements.
Provide audit support for assigned systems (Financial, A-123, FISMA, internal, DHS, etc.), throughout the audit (Pre, During, and Post Audit).
Proactively ensure security requirements are included in development cycle (Waterfall, Agile, SecDevOPs).
Use DHS’ and mandated enterprise IA Compliance Tools.
Ensure CM processes are followed to ensure that any changes do not introduce new security risks.
Support the management system Information Security Vulnerability Management (ISVM) Compliance.
Experience leading a team of ISSOs

Required Qualifications:

Required Experience/Skills:

Applies extensive knowledge of a variety of the IA field’s concepts, practices, and procedures to ensure the secure integration and operation of all systems
Extensive specialized knowledge of financial audit standards, classified system IA requirements and Privacy Act requirements
Specialized knowledge and experience with the implementation of the NIST Special Publication (SP) 800 family of publications, particularly those associated with the Risk Management Framework.
Specialized knowledge and experience with evaluating system, network, or infrastructure security controls against requirements such as FISMA, FIPS, and NIST guidelines Knowledge and experience with the vulnerability scanning execution, assessment, and analysis
Knowledge and experience with the operating system and network knowledge (i.e., Local Area Networks [LAN] and Wide Area Networks [WAN])
Knowledge and experience with application security, database security, and network security
Knowledge and experience with vulnerability scanning, assessment, and analysis
Knowledge and experience with the information security and assurance principles (e.g., Defense-in-depth) and associated supporting technologies
Ability to assess and weigh current and evolving security threats in an operational environment.

Preferred Qualifications:

Current experience providing ISSO support to DHS
Experience supporting systems hosted in Cloud environments.
Experience supporting systems in Agile and DevOps environments.

(Required or Preferred) Education:

No degree and (9) years overall experience which (7) years must be Cybersecurity/FISMA-related
Bachelor’s Degree and (5) years of cybersecurity/FISMA-related experience OR
Master’s Degree and 6 years of Cybersecurity/FISMA-related experience

Required Certification(s): (at least one (1) of the following or obtain within 6 months of hire):

Certified Information Systems Security Professional (CISSP)
CompTIA Advanced Security Practitioner (CASP)
Certified Information Systems Auditor (CISA)
Certified Ethical Hacker (CEH)
Certified Information Security Manager (CISM)
Systems Security Certified Practitioner (SSCP)
GIAC Security Leadership Certification (GSLC)

Salary and Benefit Information:

The likely salary range for this position is $96,000 - $105,000. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range.

Application Deadline: October 28, 2026

Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth in the company’s policy and benefits manuals. See below, to name a few:

15 days PTO including paid parental, military, and bereavement leave
Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year)
Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
Life Insurance, STD/LTD term disability coverage, with employer paid premiums
401 (k) plan with a match that is 100% vested after you complete two years of service
FSA/DFSA/HSA flexible benefit plans
Annual Tuition & Professional Development Reimbursement benefit.

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Company:

Alpha Omega is an award-winning solutions provider dedicated to delivering mission-enabling technology and strategic solutions for our customers. Since our founding in 2016, we have grown to over 700 employees nationwide consisting of former operators, technologists, and strategists who bring decades of government and industry experience. They are united by one purpose: ensuring our nation’s continued global leadership.

We have a unified operating model providing technical capabilities and solutions for customers across two main business units:

National Security – supporting agencies such as the Department of Homeland Security (DHS), Navy, Air Force, Army, and the Department of State (DOS).
National Resilience – supporting agencies such as Federal Deposit Insurance Corporation (FDIC), Treasury, Health & Human Services (HHS), National Institutes of Health (NIH), National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA)

Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future.

Culture and Values:

Guided by our core values—Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)— we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work.

Alpha Omega's culture is driven by our values and mission. We invest in top talent through mentorship, growth, and meaningful work. We value individuality, reward integrity, and foster a diverse, high-performing team united by purpose-at work, in service, and in the community.

Alpha Omega Integration, LLC (Alpha Omega) 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, or any other protected class.

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